:root {
    --mcs-bg: #000000;
    --mcs-panel: rgba(6, 10, 18, 0.94);
    --mcs-panel-solid: #080c14;
    --mcs-border: #1e2a3d;
    --mcs-accent: #66ffaa;
    --mcs-glow: #30be6e;
    --mcs-glow-rgb: 64, 220, 130;
    --mcs-accent-rgb: 102, 255, 170;
    --mcs-glow-soft-rgb: 48, 190, 110;
    --mcs-glow-deep-rgb: 30, 100, 68;
    --mcs-text: #eef2f8;
    --mcs-muted: #8fa0b8;
    --mcs-muted-dim: #5a6a82;
    --mcs-topbar-h: 52px;
    --mcs-status-h: 28px;
    --mcs-panel-w: 280px;
    --mcs-rail-tab-w: 38px;
    --mcs-rail-transition: 0.28s ease;
    --mcs-scrollbar-size: 8px;
    --mcs-scrollbar-thumb: rgba(118, 126, 138, 0.48);
    --mcs-scrollbar-thumb-hover: rgba(148, 156, 168, 0.72);
    --mcs-scrollbar-thumb-active: rgba(168, 176, 186, 0.88);
    --mcs-scrollbar-track: transparent;
}

/* Cursor-style thin overlay scrollbars (Watchlist, rail, catalog, modals) */
.mcs-body,
.mcs-body * {
    scrollbar-width: thin;
    scrollbar-color: var(--mcs-scrollbar-thumb) var(--mcs-scrollbar-track);
}

.mcs-body ::-webkit-scrollbar {
    width: var(--mcs-scrollbar-size);
    height: var(--mcs-scrollbar-size);
}

.mcs-body ::-webkit-scrollbar-track {
    background: var(--mcs-scrollbar-track);
}

.mcs-body ::-webkit-scrollbar-thumb {
    background-color: var(--mcs-scrollbar-thumb);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: content-box;
}

.mcs-body ::-webkit-scrollbar-thumb:hover {
    background-color: var(--mcs-scrollbar-thumb-hover);
}

.mcs-body ::-webkit-scrollbar-thumb:active {
    background-color: var(--mcs-scrollbar-thumb-active);
}

.mcs-body ::-webkit-scrollbar-corner {
    background: transparent;
}

.mcs-body ::-webkit-scrollbar-button {
    display: none;
    width: 0;
    height: 0;
}

* { box-sizing: border-box; }

html, body.mcs-body {
    height: 100%;
    margin: 0;
    background: var(--mcs-bg);
    color: var(--mcs-text);
    font-family: "Segoe UI", system-ui, sans-serif;
    overflow: hidden;
}

.mcs-shell {
    display: grid;
    grid-template-rows: var(--mcs-topbar-h) 1fr var(--mcs-status-h);
    height: 100vh;
}

.mcs-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    background: rgba(0, 0, 0, 0.92);
    border-bottom: 1px solid var(--mcs-border);
}

.mcs-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mcs-brand small {
    display: block;
    color: var(--mcs-muted);
    font-size: 0.7rem;
}

.mcs-logo {
    display: block;
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
}

.mcs-sim-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.mcs-topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mcs-earth-spin-control {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
}

.mcs-earth-spin-label {
    color: var(--mcs-muted);
    white-space: nowrap;
}

.mcs-earth-spin-btn {
    min-width: 3.25rem;
    font-variant-numeric: tabular-nums;
}

.mcs-earth-spin-btn.active {
    color: #8fd4ff;
    border-color: rgba(94, 179, 255, 0.75);
    background: rgba(94, 179, 255, 0.12);
}

.mcs-earth-spin-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.mcs-sim-time label {
    color: var(--mcs-muted);
    margin: 0;
}

#sim-time-display {
    font-family: Consolas, monospace;
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock #sim-time-display {
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    min-width: 0;
}

.mcs-main {
    display: grid;
    grid-template-columns: var(--mcs-panel-w) 1fr auto;
    min-height: 0;
}

.mcs-panel {
    background: var(--mcs-panel-solid);
    border-right: 1px solid var(--mcs-border);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.mcs-panel-right {
    border-right: none;
    border-left: 1px solid var(--mcs-border);
}

/* ── Right slide rail (Inspector + TLE) ── */
.mcs-right-rail {
    display: flex;
    flex-direction: row-reverse;
    min-height: 0;
    height: 100%;
    background: var(--mcs-panel-solid);
    border-left: 1px solid var(--mcs-border);
    width: calc(var(--mcs-rail-tab-w) + var(--mcs-panel-w));
    transition: width var(--mcs-rail-transition);
    overflow: hidden;
}

.mcs-right-rail:not(.is-open):not(.is-pinned) {
    width: var(--mcs-rail-tab-w);
}

.mcs-rail-tabs {
    display: flex;
    flex-direction: column;
    width: var(--mcs-rail-tab-w);
    flex-shrink: 0;
    background: #0e1528;
    border-right: 1px solid var(--mcs-border);
    z-index: 2;
}

.mcs-rail-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    width: 100%;
    min-height: 52px;
    padding: 0.35rem 0.2rem;
    border: none;
    border-bottom: 1px solid var(--mcs-border);
    background: transparent;
    color: var(--mcs-muted);
    font-size: 0.65rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.mcs-rail-tab:hover {
    background: rgba(var(--mcs-accent-rgb), 0.12);
    color: var(--mcs-text);
}

.mcs-rail-tab.active {
    background: rgba(var(--mcs-accent-rgb), 0.22);
    color: #fff;
    box-shadow: inset 2px 0 0 var(--mcs-accent);
}

.mcs-rail-tab-label {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1.1;
    text-transform: uppercase;
}

.mcs-rail-badge {
    font-size: 0.55rem;
    padding: 0.1rem 0.3rem;
}

.mcs-rail-tab-spacer {
    flex: 1;
    min-height: 0.5rem;
}

.mcs-rail-pin[aria-pressed="true"] {
    background: rgba(255, 193, 7, 0.18);
    color: #ffc107;
}

.mcs-rail-chevron {
    display: inline-block;
    font-size: 1rem;
    line-height: 1;
    transition: transform var(--mcs-rail-transition);
}

.mcs-right-rail.is-open .mcs-rail-chevron,
.mcs-right-rail.is-pinned .mcs-rail-chevron {
    transform: rotate(180deg);
}

.mcs-rail-panels {
    width: var(--mcs-panel-w);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
    opacity: 1;
    transition: opacity var(--mcs-rail-transition), transform var(--mcs-rail-transition);
}

.mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-panels {
    opacity: 0;
    transform: translateX(12px);
    pointer-events: none;
}

.mcs-rail-pane {
    display: none;
    flex-direction: column;
    min-height: 0;
    flex: 1;
}

.mcs-rail-pane.active {
    display: flex;
}

.mcs-catalog-body {
    padding: 0;
}

.mcs-catalog-body .mcs-group-picker {
    min-height: 0;
    height: 100%;
    max-height: none;
    grid-template-columns: 110px 1fr;
}

.mcs-catalog-body .mcs-group-nav {
    padding: 0.5rem;
}

.mcs-catalog-body .mcs-group-item {
    font-size: 0.72rem;
    padding: 0.35rem 0.45rem;
}

.mcs-tree li.disabled-display {
    opacity: 0.55;
}

.mcs-tree li.disabled-display .mcs-sat-name {
    text-decoration: line-through;
    text-decoration-color: rgba(139, 152, 184, 0.6);
}

.mcs-display-toggle {
    accent-color: var(--mcs-accent);
}

.mcs-panel-header {
    padding: 0.6rem 0.75rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--mcs-muted);
    border-bottom: 1px solid var(--mcs-border);
}

.mcs-panel-body {
    padding: 0.75rem;
    overflow: auto;
    flex: 1;
    min-height: 0;
    min-width: 0;
}

.mcs-panel-body-scroll {
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    overflow-x: hidden;
    overflow-y: hidden;
}

.mcs-panel-body-scroll .mcs-tree {
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 0;
    min-width: 0;
}

.mcs-panel-left .mcs-panel-left-head {
    flex-shrink: 0;
    min-width: 0;
}

.mcs-panel-left .mcs-panel-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 0.75rem 0.5rem;
    flex-shrink: 0;
    min-height: 3.25rem;
    border-bottom: 1px solid var(--mcs-border);
}

.mcs-panel-left .mcs-panel-brand .mcs-logo {
    width: 32px;
    height: 32px;
}

.mcs-panel-left .mcs-panel-brand-text {
    min-width: 0;
}

.mcs-panel-left .mcs-panel-brand strong {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.02em;
    color: var(--mcs-text);
}

.mcs-panel-left .mcs-panel-brand small {
    display: block;
    margin-top: 0.1rem;
    font-size: 0.64rem;
    letter-spacing: 0.04em;
    color: var(--mcs-muted);
}

.mcs-panel-left .mcs-panel-left-head .mcs-panel-header {
    border-bottom: none;
    padding-top: 0.35rem;
    padding-bottom: 0.45rem;
}

.mcs-watchlist-category-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    padding: 0 0.35rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow-x: auto;
    scrollbar-width: thin;
    flex-shrink: 0;
}

.mcs-watchlist-category-tab {
    flex: 0 0 auto;
    margin: 0;
    padding: 0.42rem 0.5rem;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: rgba(180, 188, 198, 0.82);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.mcs-watchlist-category-tab:hover {
    color: rgba(220, 228, 238, 0.95);
}

.mcs-watchlist-category-tab.active {
    color: #8fd4ff;
    border-bottom-color: rgba(94, 179, 255, 0.85);
}

.mcs-watchlist-pane {
    display: none;
    flex: 1;
    min-height: 0;
    flex-direction: column;
}

.mcs-watchlist-pane.active {
    display: flex;
}

/* 카테고리 패널 내부 리스트가 남은 높이를 채우고 스크롤되도록 */
.mcs-watchlist-pane .mcs-tree {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.mcs-panel-left #catalog-updated,
.mcs-panel-left #watchlist-count {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.mcs-sat-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    width: 100%;
    margin: 0;
    cursor: pointer;
}

.mcs-sat-row input[type="checkbox"] {
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.mcs-sat-color-dot {
    width: 0.7rem;
    height: 0.7rem;
    margin-top: 0.28rem;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55), 0 0 4px rgba(255, 255, 255, 0.18);
}

.mcs-sat-info {
    flex: 1;
    min-width: 0;
}

.mcs-sat-name {
    display: block;
    font-size: 0.85rem;
    word-break: break-word;
}

/* 위성 핀 고정(주 관심) 버튼 */
.mcs-pin-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    margin-top: 0.1rem;
    padding: 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--mcs-muted-dim, #7c8a99);
    cursor: pointer;
    opacity: 0.55;
    transition: color 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.mcs-pin-btn svg {
    width: 0.95rem;
    height: 0.95rem;
    fill: currentColor;
}

.mcs-pin-btn:hover {
    opacity: 1;
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.12);
    color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.9);
}

.mcs-pin-btn.pinned {
    opacity: 1;
    color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
    filter: drop-shadow(0 0 3px rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.6));
}

.mcs-tree li.pinned > .mcs-sat-row .mcs-sat-name {
    font-weight: 600;
}

/* MCS — ground station list rows */
.mcs-mcs-swatch {
    flex-shrink: 0;
    width: 0.7rem;
    height: 0.7rem;
    margin-top: 0.22rem;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.18);
}

.mcs-mcs-remove {
    flex-shrink: 0;
    margin: 0;
    padding: 0 0.3rem;
    border: none;
    background: transparent;
    color: rgba(200, 130, 130, 0.75);
    font-size: 0.95rem;
    line-height: 1.2;
    cursor: pointer;
    transition: color 0.15s ease;
}

/* MCS — per-station sub-tree (zenith line toggle) */
.mcs-mcs-subtree {
    list-style: none;
    margin: 0.15rem 0 0;
    padding: 0 0 0 1.55rem;
}

.mcs-mcs-subtree > li {
    position: relative;
    padding: 0;
    margin: 0;
}

.mcs-mcs-subtree > li::before {
    content: "";
    position: absolute;
    left: -0.7rem;
    top: 0.62rem;
    width: 0.5rem;
    height: 1px;
    background: rgba(255, 255, 255, 0.18);
}

.mcs-mcs-subrow {
    gap: 0.45rem;
}

.mcs-mcs-subrow .mcs-sat-name {
    font-size: 0.74rem;
    color: rgba(178, 196, 210, 0.82);
}

/* MCS — coverage input fields */
.mcs-mcs-cov-fields {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin: 0.3rem 0 0.2rem 0.25rem;
    padding: 0.4rem 0.5rem;
    border-left: 1px solid rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.25);
    background: rgba(10, 18, 24, 0.32);
    border-radius: 4px;
}

.mcs-mcs-cov-fields[hidden] {
    display: none;
}

.mcs-mcs-cov-field {
    display: grid;
    grid-template-columns: 1fr 4.6rem 0.9rem;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    color: rgba(178, 196, 210, 0.82);
}

.mcs-mcs-cov-field .unit {
    font-size: 0.68rem;
    color: rgba(150, 168, 182, 0.7);
}

/* themed number stepper — input + custom ▲▼ */
.mcs-mcs-stepper {
    display: flex;
    align-items: stretch;
    height: 1.5rem;
    border: 1px solid rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.35);
    border-radius: 4px;
    background: rgba(8, 16, 22, 0.7);
    overflow: hidden;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mcs-mcs-stepper:focus-within {
    border-color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.85);
    box-shadow: 0 0 0 2px rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.2);
}

.mcs-mcs-stepper input[type="number"] {
    width: 100%;
    min-width: 0;
    padding: 0 0.36rem;
    font-size: 0.72rem;
    color: #e6f1f7;
    background: transparent;
    border: none;
    outline: none;
    text-align: right;
    -moz-appearance: textfield;
    appearance: textfield;
}

/* hide native spin buttons */
.mcs-mcs-stepper input[type="number"]::-webkit-outer-spin-button,
.mcs-mcs-stepper input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

.mcs-mcs-stepper-btns {
    display: flex;
    flex-direction: column;
    width: 1.05rem;
    flex-shrink: 0;
    border-left: 1px solid rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.3);
}

.mcs-mcs-stepper-btn {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.1);
    color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.9);
    font-size: 0.42rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}

.mcs-mcs-stepper-btn:first-child {
    border-bottom: 1px solid rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.25);
}

.mcs-mcs-stepper-btn:hover {
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.3);
    color: #eafff3;
}

.mcs-mcs-stepper-btn:active {
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.5);
}

/* MCS — themed custom checkboxes (station display + zenith) */
#pane-left-mcs .mcs-display-toggle,
#pane-left-starlink .mcs-display-toggle {
    appearance: none;
    -webkit-appearance: none;
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    margin-top: 0.18rem;
    border: 1px solid rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.55);
    border-radius: 3px;
    background: rgba(10, 18, 24, 0.65);
    cursor: pointer;
    position: relative;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

#pane-left-mcs .mcs-display-toggle:hover,
#pane-left-starlink .mcs-display-toggle:hover {
    border-color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.9);
}

#pane-left-mcs .mcs-display-toggle:focus-visible,
#pane-left-starlink .mcs-display-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.35);
}

#pane-left-mcs .mcs-display-toggle:checked,
#pane-left-starlink .mcs-display-toggle:checked {
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.9);
    border-color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 1);
}

#pane-left-mcs .mcs-display-toggle:checked::after,
#pane-left-starlink .mcs-display-toggle:checked::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 1px;
    width: 3px;
    height: 7px;
    border: solid #06140c;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* zenith subrow checkbox — slightly dimmer accent */
#pane-left-mcs .mcs-mcs-subrow .mcs-display-toggle {
    width: 13px;
    height: 13px;
    border-radius: 3px;
}

.mcs-mcs-remove:hover {
    color: rgba(255, 110, 110, 0.95);
}

/* MCS — ground station registration form */
.mcs-mcs-add {
    margin-top: 0.6rem;
    padding-top: 0.55rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mcs-mcs-add-toggle {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border: 1px dashed rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.4);
    border-radius: 4px;
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.08);
    color: rgba(210, 224, 236, 0.92);
    font-size: 0.74rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.mcs-mcs-add-toggle:hover {
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.16);
    border-color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.6);
}

.mcs-mcs-add-form {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.mcs-mcs-field {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin: 0;
    min-width: 0;
    font-size: 0.68rem;
    color: rgba(190, 200, 212, 0.9);
}

.mcs-mcs-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.4rem;
}

.mcs-mcs-field input {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.mcs-mcs-add-actions {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.1rem;
}

.mcs-viewport {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
}

/* 3D globe — floating navigation (home + pan d-pad) */
.mcs-globe-nav {
    position: absolute;
    /* 우측 슬라이드 패널 열림/닫힘에 따라 동적으로 좌우 위치 연동 */
    right: var(--mcs-rail-overlay-right, 1rem);
    /* 카메라 라벨이 있던 우측 하단으로 내림 (재생/카메라 세트는 중앙으로 이동) */
    bottom: calc(var(--mcs-status-h, 28px) + 0.55rem);
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
    --mcs-globe-nav-rgb: var(--mcs-glow-rgb, 64, 220, 130);
}

.mcs-globe-nav > * {
    pointer-events: auto;
}

.mcs-globe-nav-home {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.6rem;
    border: 1px solid rgba(var(--mcs-globe-nav-rgb), 0.45);
    border-radius: 5px;
    background: rgba(8, 16, 22, 0.72);
    color: rgba(220, 232, 240, 0.95);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    backdrop-filter: blur(3px);
    box-shadow: 0 0 10px rgba(var(--mcs-globe-nav-rgb), 0.18);
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.mcs-globe-nav-home:hover {
    background: rgba(var(--mcs-globe-nav-rgb), 0.22);
    border-color: rgba(var(--mcs-globe-nav-rgb), 0.7);
    box-shadow: 0 0 14px rgba(var(--mcs-globe-nav-rgb), 0.32);
}

.mcs-globe-nav-home svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.mcs-globe-nav-pad {
    display: grid;
    grid-template-columns: repeat(3, 2rem);
    grid-template-rows: repeat(3, 2rem);
    grid-template-areas:
        ". up ."
        "left center right"
        ". down .";
    gap: 0.2rem;
}

.mcs-globe-nav-up { grid-area: up; }
.mcs-globe-nav-left { grid-area: left; }
.mcs-globe-nav-center { grid-area: center; }
.mcs-globe-nav-right { grid-area: right; }
.mcs-globe-nav-down { grid-area: down; }

.mcs-globe-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(var(--mcs-globe-nav-rgb), 0.4);
    border-radius: 5px;
    background: rgba(8, 16, 22, 0.66);
    color: rgba(210, 226, 236, 0.92);
    font-size: 0.78rem;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(3px);
    transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.mcs-globe-nav-btn:hover {
    background: rgba(var(--mcs-globe-nav-rgb), 0.24);
    border-color: rgba(var(--mcs-globe-nav-rgb), 0.7);
    color: #fff;
}

.mcs-globe-nav-btn:active {
    background: rgba(var(--mcs-globe-nav-rgb), 0.38);
}

.mcs-globe-nav-center {
    font-size: 0.6rem;
    color: rgba(190, 206, 218, 0.78);
}

.mcs-ui-center .mcs-map-fullscreen-container {
    position: absolute;
    top: 12px;
    right: 120px;
    z-index: 2;
    pointer-events: auto;
}

.mcs-map-view-toggle {
    pointer-events: auto;
}

.mcs-map-view-toggle-tabs {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
    border: none;
    background: transparent;
}

.mcs-map-view-toggle-tabs .nav-item {
    margin: 0;
}

.mcs-map-view-toggle-tabs .nav-link {
    border: 1px solid rgba(94, 179, 255, 0.28);
    border-radius: 999px;
    padding: 0.32rem 0.7rem;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: 0.68rem;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.03em;
    color: rgba(196, 206, 218, 0.92);
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
}

.mcs-map-view-toggle-tabs .nav-link:hover {
    color: var(--mcs-text);
    background: rgba(94, 179, 255, 0.1);
}

.mcs-map-view-toggle-tabs .nav-link.active {
    font-weight: 600;
    color: #fff;
    background: rgba(94, 179, 255, 0.24);
    border-color: rgba(94, 179, 255, 0.55);
}

.mcs-map-tabs {
    border-bottom: 1px solid var(--mcs-border);
    background: #000000;
    padding: 0 0.5rem;
    flex-shrink: 0;
}

.mcs-map-tabs .nav-link {
    color: var(--mcs-muted);
    border: none;
    border-radius: 0;
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
}

.mcs-map-tabs .nav-link.active {
    color: var(--mcs-text);
    background: transparent;
    border-bottom: 2px solid var(--mcs-accent);
}

.mcs-tab-content {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.mcs-tab-content .tab-pane {
    flex: 1;
    min-width: 0;
    min-height: 0;
    width: 100%;
    height: 100%;
}

.mcs-tab-content .tab-pane.active {
    display: flex !important;
    flex-direction: column;
    position: relative;
}

#tab-2d {
    position: relative;
    min-width: 0;
    min-height: 0;
    width: 100%;
    flex: 1 1 auto;
    overflow: hidden;
}

#tab-2d.active,
#tab-2d.show {
    display: flex !important;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

/* 3D(Cesium)와 동일 — flex fill. absolute inset은 WebView2에서 폭 측정 오류 유발 */
#tab-2d #ol-container {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    width: 100%;
    height: 100%;
    position: relative;
}

.mcs-map-container {
    width: 100%;
    min-width: 0;
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: #000000;
}

#cesium-container .cesium-viewer,
#cesium-container .cesium-widget,
#cesium-container .cesium-widget canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.mcs-hud-layout #cesium-container .cesium-viewer,
.mcs-hud-layout #cesium-container .cesium-widget {
    position: absolute;
    inset: 0;
}

.mcs-eci-legend-drawer {
    position: absolute;
    left: 10px;
    bottom: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    pointer-events: none;
    user-select: none;
}

.mcs-eci-legend-tag {
    order: 2;
    margin: 0;
    padding: 0.35rem 0.65rem;
    border: 1px solid rgba(61, 139, 253, 0.45);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    background: rgba(8, 14, 28, 0.92);
    backdrop-filter: blur(4px);
    color: #9ec5ff;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.mcs-eci-legend-tag:hover,
.mcs-eci-legend-drawer.is-open .mcs-eci-legend-tag {
    background: rgba(18, 32, 58, 0.96);
    color: #fff;
    border-color: var(--mcs-accent);
}

.mcs-eci-legend-drawer.is-open .mcs-eci-legend-tag::after {
    content: ' ▴';
    opacity: 0.85;
}

.mcs-eci-legend {
    order: 1;
    position: absolute;
    left: 0;
    bottom: 100%;
    min-width: 210px;
    max-width: 248px;
    max-height: min(72vh, 520px);
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0.55rem 0.65rem;
    border-radius: 6px 6px 0 0;
    border: 1px solid rgba(61, 139, 253, 0.35);
    border-bottom: none;
    background: rgba(8, 14, 28, 0.82);
    backdrop-filter: blur(4px);
    font-size: 0.72rem;
    line-height: 1.35;
    color: var(--mcs-text);
    pointer-events: none;
    transform: translateY(6px);
    opacity: 0;
    visibility: hidden;
    transition:
        transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.22s ease,
        visibility 0.32s;
}

.mcs-eci-legend-drawer.is-open .mcs-eci-legend {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mcs-eci-legend-drawer.is-open .mcs-eci-legend-tag {
    border-radius: 0;
    border-top: none;
}

.mcs-eci-legend-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
}

.mcs-eci-legend-title {
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    color: #9ec5ff;
}

.mcs-eci-frame-toggle {
    display: flex;
    gap: 2px;
}

.mcs-eci-frame-toggle button {
    border: 1px solid var(--mcs-border);
    background: rgba(18, 26, 46, 0.9);
    color: var(--mcs-muted);
    font-size: 0.62rem;
    padding: 0.12rem 0.35rem;
    border-radius: 3px;
    cursor: pointer;
}

.mcs-eci-frame-toggle button.active {
    border-color: var(--mcs-accent);
    color: #fff;
    background: rgba(61, 139, 253, 0.25);
}

.mcs-eci-legend-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0.12rem 0;
}

.mcs-eci-axis {
    display: inline-block;
    width: 18px;
    height: 3px;
    border-radius: 1px;
    position: relative;
}

.mcs-eci-axis::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
    border: 3px solid transparent;
    border-left-width: 5px;
}

.mcs-eci-x { background: #ff4d4d; }
.mcs-eci-x::after { border-left-color: #ff4d4d; }

.mcs-eci-y { background: #4dff88; }
.mcs-eci-y::after { border-left-color: #4dff88; }

.mcs-eci-z { background: #4da6ff; }
.mcs-eci-z::after { border-left-color: #4da6ff; }

.mcs-eci-spin {
    background: repeating-linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.95) 0 4px,
        transparent 4px 7px
    );
    height: 3px;
}
.mcs-eci-spin::after { border-left-color: rgba(255, 255, 255, 0.9); }

.mcs-eci-zenith { background: #80deea; }
.mcs-eci-zenith::after { border-left-color: #80deea; }

.mcs-eci-nadir { background: #78909c; }
.mcs-eci-nadir::after { border-left-color: #78909c; }

.mcs-eci-legend-indent {
    padding-left: 1.35rem;
    font-size: 0.66rem;
    color: var(--mcs-muted);
}

.mcs-eci-legend-planes {
    flex-wrap: wrap;
    gap: 0.35rem 0.65rem;
    margin-top: 0.25rem;
    color: var(--mcs-muted);
}

.mcs-eci-plane {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.mcs-eci-plane::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid currentColor;
}

.mcs-eci-plane.equator { color: #00e5ff; }
.mcs-eci-plane.ecliptic { color: #ffd54f; }
.mcs-eci-plane.ecliptic.meridian { color: #ff9800; }

.mcs-eci-legend-hint {
    margin-top: 0.35rem;
    font-size: 0.62rem;
    color: var(--mcs-muted-dim);
}

.mcs-eci-legend-divider {
    height: 1px;
    margin: 0.45rem 0;
    background: rgba(61, 139, 253, 0.22);
}

.mcs-eci-legend-subtitle {
    font-weight: 600;
    font-size: 0.68rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #7eb4ff;
    margin-bottom: 0.3rem;
}

.mcs-orbit-diagram-wrap {
    margin-bottom: 0.35rem;
    border-radius: 4px;
    overflow: hidden;
}

.mcs-orbit-svg {
    display: block;
    width: 100%;
    height: auto;
}

.mcs-orbit-styles {
    margin-bottom: 0.25rem;
}

.mcs-orbit-swatch {
    display: inline-block;
    width: 20px;
    height: 0;
    border-top-width: 2px;
    border-top-style: solid;
    flex-shrink: 0;
}

.mcs-orbit-swatch.propagation {
    border-top-color: rgba(255, 255, 255, 0.92);
}

.mcs-orbit-swatch.trajectory {
    border-top-color: #32cd32;
    border-top-width: 2.5px;
}

.mcs-orbit-explain {
    font-size: 0.6rem;
    line-height: 1.4;
    color: var(--mcs-muted);
}

.mcs-eci-legend.is-ecef .mcs-orbit-explain {
    color: #b8c9e0;
}

/* OL viewport/canvas — container px 크기와 1:1 (CSS stretch 금지) */
#ol-container .ol-viewport {
    position: absolute;
    inset: 0;
}

#ol-container .ol-viewport canvas {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
}

#ol-container .ol-overlaycontainer-stopevent {
    position: absolute;
    inset: 0;
}

#ol-container:not(.mcs-ecdis-chart-mode) {
    background: #02040a;
}

#ol-container:not(.mcs-ecdis-chart-mode) .ol-viewport canvas {
    background: transparent;
}

.mcs-ground-track-legend {
    position: absolute;
    left: 10px;
    bottom: 10px;
    z-index: 5;
    max-width: 210px;
    padding: 0.5rem 0.6rem;
    border-radius: 6px;
    border: 1px solid rgba(94, 179, 255, 0.35);
    background: rgba(0, 0, 0, 0.74);
    backdrop-filter: blur(4px);
    font-size: 0.68rem;
    line-height: 1.35;
    color: var(--mcs-text);
    pointer-events: none;
}

.mcs-ground-track-legend-title {
    font-weight: 700;
    font-size: 0.72rem;
    color: var(--mcs-accent);
    margin-bottom: 0.2rem;
}

.mcs-ground-track-legend-desc {
    color: var(--mcs-muted);
    font-size: 0.65rem;
}

.mcs-ground-track-legend-note {
    margin-top: 0.25rem;
    font-size: 0.6rem;
    color: var(--mcs-muted);
}

.mcs-ground-track-legend-compare {
    margin-top: 0.35rem;
    padding-top: 0.35rem;
    border-top: 1px solid rgba(50, 205, 50, 0.2);
}

.mcs-ground-track-legend-compare-head {
    display: block;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--mcs-muted-dim);
    margin-bottom: 0.2rem;
}

.mcs-ground-track-legend-compare ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mcs-ground-track-legend-compare a {
    color: #7eb4ff;
    text-decoration: none;
    font-size: 0.62rem;
    pointer-events: auto;
}

.mcs-ground-track-legend-compare a:hover {
    text-decoration: underline;
}

.mcs-inspector-links a {
    color: #7eb4ff;
    font-size: 0.8rem;
}

.mcs-pass-list {
    font-size: 0.72rem;
    line-height: 1.45;
}

.mcs-pass-head {
    color: var(--mcs-muted);
    margin-bottom: 0.35rem;
    font-size: 0.68rem;
}

.mcs-pass-row {
    margin-bottom: 0.25rem;
}

.mcs-pass-row strong {
    color: #9ec5ff;
    font-weight: 600;
}

.mcs-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mcs-tree li {
    padding: 0.45rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    border: 1px solid transparent;
}

.mcs-tree li:hover {
    background: rgba(61, 139, 253, 0.1);
}

.mcs-tree li.selected {
    background: rgba(50, 205, 50, 0.12);
    border-color: rgba(50, 205, 50, 0.35);
}

.mcs-tree li.focused {
    border-color: var(--mcs-accent);
    box-shadow: inset 0 0 0 1px var(--mcs-accent);
}

.mcs-tree .norad {
    color: var(--mcs-muted);
    font-size: 0.75rem;
}

.mcs-dl dt {
    font-size: 0.7rem;
    color: var(--mcs-muted);
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.mcs-dl dd {
    margin: 0;
    font-size: 0.85rem;
}

.mcs-statusbar {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0 1rem;
    font-size: 0.75rem;
    color: var(--mcs-muted);
    background: #000000;
    border-top: 1px solid var(--mcs-border);
}

.mcs-statusbar-spin {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex: 0 1 auto;
    min-width: 0;
    color: var(--mcs-muted);
}

.mcs-statusbar-spin[hidden] {
    display: none !important;
}

/* 지구 자전 배율 + 시뮬 재생 — Camera HUD 왼쪽, 상태바 위 */
.mcs-sim-controls-stack {
    --mcs-sim-controls-stack-w: 11.25rem;
    position: fixed;
    left: auto;
    right: calc(12px + var(--mcs-cesium-orient-hud-w, 148px) + 0.55rem);
    bottom: calc(var(--mcs-status-h, 28px) + 12px);
    transform: none;
    z-index: calc(var(--mcs-frame-overlay-z, 20) + 4);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    pointer-events: auto;
    width: var(--mcs-sim-controls-stack-w);
    min-width: 0;
    box-sizing: border-box;
}

.mcs-sim-controls-stack[hidden] {
    display: none !important;
}

.mcs-sim-playback-hud {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.28rem 0.45rem;
    border-radius: 3px;
    font-size: 0.72rem;
    color: rgba(180, 200, 220, 0.92);
    background: rgba(0, 0, 0, 0.62);
    border: 1px solid rgba(94, 179, 255, 0.35);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    box-sizing: border-box;
    width: 100%;
}

.mcs-sim-playback-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.55rem;
    height: 1.55rem;
    padding: 0;
    border: 1px solid rgba(94, 179, 255, 0.28);
    border-radius: 3px;
    background: rgba(12, 20, 32, 0.72);
    color: rgba(180, 210, 240, 0.95);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.mcs-sim-playback-btn svg {
    width: 0.95rem;
    height: 0.95rem;
    display: block;
}

.mcs-sim-playback-btn:hover,
.mcs-sim-playback-btn:focus-visible {
    background: rgba(30, 55, 85, 0.88);
    border-color: rgba(94, 179, 255, 0.55);
    color: #fff;
    outline: none;
}

.mcs-sim-playback-btn.active,
.mcs-sim-playback-btn[aria-pressed="true"] {
    background: rgba(40, 90, 140, 0.92);
    border-color: rgba(94, 179, 255, 0.72);
    color: #fff;
}

.mcs-sim-playback-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.mcs-earth-spin-rate-hud {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    transform: none;
    z-index: auto;
    display: grid;
    grid-template-columns: auto 1fr minmax(2.65rem, auto);
    align-items: center;
    column-gap: 0.4rem;
    pointer-events: auto;
    padding: 0.28rem 0.45rem;
    border-radius: 3px;
    font-size: 0.72rem;
    color: rgba(180, 200, 220, 0.92);
    background: rgba(0, 0, 0, 0.62);
    border: 1px solid rgba(94, 179, 255, 0.35);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    white-space: nowrap;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
}

.mcs-earth-spin-rate-hud[hidden] {
    display: none !important;
}

.mcs-earth-spin-rate-hud-label,
.mcs-statusbar-spin-label {
    font-size: 0.72rem;
    white-space: nowrap;
    flex-shrink: 0;
    color: rgba(180, 200, 220, 0.92);
}

.mcs-earth-spin-rate {
    grid-column: 2;
    width: 100%;
    min-width: 0;
    max-width: none;
    height: 0.32rem;
    margin: 0;
    accent-color: #5eb3ff;
    cursor: pointer;
}

.mcs-earth-spin-rate-value {
    grid-column: 3;
    font-size: 0.7rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    min-width: 0;
    text-align: right;
    color: rgba(160, 190, 220, 0.95);
}

/* ── HUD layout — map full-bleed back, UI + frame overlay front ── */
.mcs-shell.mcs-hud-layout {
    display: block;
    position: relative;
    height: 100vh;
    overflow: hidden;
    grid-template-rows: none;
}

.mcs-hud-layout {
    --mcs-map-z: 0;
    --mcs-hud-panel-bg: rgba(6, 10, 18, 0.94);
    --mcs-hud-panel-border: rgba(94, 179, 255, 0.28);
    --mcs-hud-ring-color: rgba(94, 179, 255, 0.42);
    --mcs-hud-side-min: 160px;
    --mcs-hud-side-fr: 0.38fr;
    --mcs-hud-center-fr: 5fr;
    background: #000;
}

/* Layer 0 — 3D / 2D map (full viewport) */
.mcs-map-layer {
    position: fixed;
    inset: 0;
    z-index: var(--mcs-map-z);
    background: #000;
    overflow: hidden;
}

.mcs-map-layer.mcs-viewport {
    display: block;
    min-width: 0;
    min-height: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Layer 2 — side rails + floating controls */
.mcs-ui-layer {
    position: fixed;
    inset: 0;
    z-index: var(--mcs-frame-ui-z, 25);
    display: grid;
    pointer-events: none;
    min-height: 0;
    height: 100%;
}

.mcs-ui-layer .mcs-panel-left,
.mcs-ui-layer .mcs-left-rail-tabs,
.mcs-ui-layer .mcs-right-rail,
.mcs-ui-layer .mcs-frame-top-brand,
.mcs-ui-layer .mcs-frame-top-tts,
.mcs-ui-layer .mcs-frame-top-clock,
.mcs-ui-layer .mcs-frame-top-clock-btn,
.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock,
.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock-btn,
.mcs-ui-layer .mcs-frame-top-settings,
.mcs-ui-layer .mcs-map-view-toggle,
.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-container,
.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-settings,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools *,
.mcs-ui-layer .mcs-map-controls,
.mcs-ui-layer .mcs-map-controls *,
.mcs-ui-layer .mcs-earth-spin-rate-hud,
.mcs-ui-layer .mcs-earth-spin-rate-hud *,
.mcs-ui-layer .mcs-sim-controls-stack,
.mcs-ui-layer .mcs-sim-controls-stack * {
    pointer-events: auto;
}

.mcs-ui-center {
    position: relative;
    min-width: 0;
    min-height: 0;
    pointer-events: none;
}

.mcs-cesium-zoom-hud {
    position: absolute;
    left: 50%;
    bottom: calc(var(--mcs-status-h, 28px) + 8px);
    top: auto;
    transform: translateX(-50%);
    z-index: 3;
    pointer-events: none;
    padding: 0.2rem 0.45rem;
    border-radius: 3px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.72rem;
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: rgba(210, 228, 248, 0.95);
    background: rgba(0, 0, 0, 0.62);
    border: 1px solid rgba(94, 179, 255, 0.35);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    white-space: nowrap;
}

/* Globe Roll / Pitch / Yaw — map lower-right (ECDIS CURSOR style) */
.mcs-cesium-orient-hud {
    --mcs-cesium-orient-hud-w: 148px;
    position: absolute;
    right: 12px;
    bottom: calc(var(--mcs-status-h, 28px) + 12px);
    z-index: 3;
    min-width: var(--mcs-cesium-orient-hud-w);
    padding: 0.35rem 0.45rem 0.4rem;
    pointer-events: none;
    user-select: none;
    border: 1px solid rgba(90, 96, 108, 0.65);
    border-radius: 2px;
    background: rgba(18, 20, 24, 0.94);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

.mcs-cesium-orient-hud-head {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.2rem;
    padding-bottom: 0.15rem;
    border-bottom: 1px solid rgba(70, 76, 88, 0.45);
}

.mcs-cesium-orient-hud-title {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(180, 186, 196, 0.95);
}

.mcs-cesium-orient-row {
    display: grid;
    grid-template-columns: 2.6rem 1fr;
    align-items: center;
    gap: 0.35rem;
    min-height: 1.35rem;
    padding: 0.08rem 0.1rem;
}

.mcs-cesium-orient-label {
    font-size: 0.58rem;
    letter-spacing: 0.05em;
    color: rgba(160, 168, 178, 0.95);
}

.mcs-cesium-orient-value {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1.2;
    color: #f2e8a8;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.mcs-ui-center .mcs-map-view-toggle {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
}

.mcs-ui-center .mcs-map-controls {
    position: absolute;
    left: 12px;
    bottom: calc(var(--mcs-status-h, 28px) + 12px);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    pointer-events: none;
}

.mcs-ui-center .mcs-map-controls .mcs-globe-graticule-controls,
.mcs-ui-center .mcs-map-controls .mcs-earth-spin-top-control,
.mcs-ui-center .mcs-map-controls .mcs-starlink-controls,
.mcs-ui-center .mcs-map-controls .mcs-starlink-legend {
    pointer-events: auto;
}

.mcs-earth-spin-top-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border: none;
    background: transparent;
    color: rgba(196, 206, 218, 0.92);
    cursor: pointer;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: clamp(0.64rem, 0.74vw, 0.76rem);
    font-weight: 600;
    letter-spacing: 0.03em;
    white-space: nowrap;
    transition: color 0.12s ease, background-color 0.12s ease, box-shadow 0.12s ease;
}

.mcs-earth-spin-top-btn:hover,
.mcs-earth-spin-top-btn:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.mcs-earth-spin-top-btn.active,
.mcs-earth-spin-top-btn[aria-pressed="true"] {
    color: rgba(196, 255, 214, 0.98);
    background: rgba(46, 204, 113, 0.22);
    box-shadow: inset 0 -2px 0 rgba(82, 220, 130, 0.55);
}

.mcs-earth-spin-top-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.mcs-earth-spin-top-icon {
    width: clamp(13px, 0.95vw, 15px);
    height: clamp(13px, 0.95vw, 15px);
    flex-shrink: 0;
}

/* ── MCS frame overlay (Images/mcsbackground-overlay-bars-only-chrome.png, 1266×712) ── */
.mcs-hud-layout.mcs-frame-bg {
    /* reference PNG — top 0–26px (27px band), bottom 685–711px; center is transparent */
    --mcs-frame-ref-w: 1266;
    --mcs-frame-ref-h: 712;
    --mcs-frame-top-chrome: max(26px, calc(27 * 100vh / var(--mcs-frame-ref-h)));
    --mcs-frame-bottom-chrome: max(26px, calc((var(--mcs-frame-ref-h) - 685) * 100vh / var(--mcs-frame-ref-h)));
    --mcs-frame-top-inset: var(--mcs-frame-top-chrome);
    --mcs-frame-bottom-inset: var(--mcs-frame-bottom-chrome);
    /* Side panels — overlay panel band y:27–685; trim avoids 1px bleed into chrome */
    --mcs-frame-panel-y-trim: 0px;
    --mcs-frame-panel-top: calc(var(--mcs-frame-top-chrome) + var(--mcs-frame-panel-y-trim));
    --mcs-frame-panel-bottom: calc(var(--mcs-frame-bottom-chrome) + var(--mcs-frame-panel-y-trim));
    --mcs-frame-col-left: calc(236 * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-col-right: calc(238 * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-col-center: calc(
        (var(--mcs-frame-ref-w) - 236 - 238) * 100% / var(--mcs-frame-ref-w)
    );
    --mcs-frame-left-rail: 0.65rem;
    --mcs-frame-right-inset: 0.65rem;
    --mcs-rail-overlay-right: calc(var(--mcs-frame-col-right) + var(--mcs-frame-right-inset));
    --mcs-frame-right-toolbar: 0px;
    --mcs-eci-legend-left-collapsed: calc(var(--mcs-rail-tab-collapsed-w) + 0.45rem);
    --mcs-eci-legend-left-open: calc(var(--mcs-frame-col-left) + 0.35rem);
    /* Top chrome wells — sampled from overlay PNG (1266×712, y≈13) */
    --mcs-frame-top-brand-x2: 236;
    /* TTS column — same width as left rail tab stack */
    --mcs-frame-top-tts-w: var(--mcs-rail-tab-stack-w);
    --mcs-frame-top-brand-w: calc(var(--mcs-frame-col-left) - var(--mcs-rail-tab-stack-w));
    --mcs-frame-top-starlink-x1: 236;
    --mcs-frame-top-starlink-x2: 476;
    --mcs-frame-top-monitor-x1: 478;
    --mcs-frame-top-monitor-ref-w: 68;
    --mcs-frame-top-nmea-x1: 546;
    --mcs-frame-top-nmea-ref-w: 158;
    --mcs-frame-top-nmea-tools-ref-w: calc(
        var(--mcs-frame-top-monitor-ref-w) + var(--mcs-frame-top-nmea-ref-w)
    );
    /* Top chrome map tools — overlay ref; 2D right anchor x=1028 (verified) */
    --mcs-frame-top-tools-x2: 1028; /* LOCKED: 2D Map right edge (clock split) */
    --mcs-frame-top-map-toggle-overlay-x1: 939; /* PNG well left edge — fixed in overlay image */
    --mcs-frame-top-map-toggle-overlay-split-x: 983; /* PNG 3D|2D divider @ ref 44+45 layout */
    --mcs-frame-top-well-bg: var(--mcs-top-chrome-bg);
    --mcs-frame-top-well-border: rgba(255, 255, 255, 0.12);
    --mcs-frame-top-slot-bar-idle: rgba(110, 118, 132, 0.72);
    --mcs-frame-top-slot-bar-active: rgba(72, 167, 255, 0.92);
    --mcs-frame-top-clock-x1: var(--mcs-frame-top-tools-x2);
    --mcs-frame-top-settings-ref-w: 36;
    --mcs-frame-top-fullscreen-ref-w: 36;
    --mcs-frame-top-settings-w: calc(var(--mcs-frame-top-settings-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-fullscreen-w: calc(var(--mcs-frame-top-fullscreen-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-clock-w: calc(
        var(--mcs-frame-col-right) - var(--mcs-frame-top-fullscreen-w) - var(--mcs-frame-top-settings-w)
    );
    --mcs-frame-top-globe3d-ref-w: 70;
    --mcs-frame-top-globe2d-ref-w: 58;
    --mcs-frame-top-map-toggle-x1: calc(
        var(--mcs-frame-top-tools-x2) - var(--mcs-frame-top-globe3d-ref-w) - var(--mcs-frame-top-globe2d-ref-w)
    );
    --mcs-frame-top-map-toggle-x2: var(--mcs-frame-top-tools-x2);
    --mcs-frame-top-map-toggle-ref-w: calc(
        var(--mcs-frame-top-globe3d-ref-w) + var(--mcs-frame-top-globe2d-ref-w)
    );
    --mcs-frame-top-starlink-left: calc(var(--mcs-frame-top-starlink-x1) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-starlink-w: calc(
        (var(--mcs-frame-top-starlink-x2) - var(--mcs-frame-top-starlink-x1)) * 100% / var(--mcs-frame-ref-w)
    );
    --mcs-frame-top-left-band-end: calc(var(--mcs-frame-top-starlink-x2) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-monitor-left: calc(var(--mcs-frame-top-monitor-x1) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-monitor-w: calc(var(--mcs-frame-top-monitor-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-nmea-left: calc(var(--mcs-frame-top-nmea-x1) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-nmea-w: calc(var(--mcs-frame-top-nmea-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-nmea-tools-w: calc(var(--mcs-frame-top-nmea-tools-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-nmea-tools-left: calc(50% - var(--mcs-frame-top-nmea-tools-w) / 2);
    --mcs-frame-top-map-toggle-left: calc(var(--mcs-frame-top-map-toggle-x1) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-map-toggle-w: calc(
        (var(--mcs-frame-top-map-toggle-x2) - var(--mcs-frame-top-map-toggle-x1)) * 100% / var(--mcs-frame-ref-w)
    );
    --mcs-frame-top-globe3d-w: calc(var(--mcs-frame-top-globe3d-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-globe2d-tab-w: calc(var(--mcs-frame-top-globe2d-ref-w) * 100% / var(--mcs-frame-ref-w));
    --mcs-frame-top-slot-w: var(--mcs-frame-top-globe3d-w);
    /* Bottom chrome wells (overlay ref y=685–711, x left 0–37.6%, right 62.3–100%) */
    --mcs-frame-bottom-left-well: 37.6%;
    --mcs-frame-bottom-right-well: 37.7%;
    --mcs-frame-bottom-text-nudge: 0;
    /* mcsbackground.png panel bands — defaults; hud-glow-theme.js overrides on #mcs-app */
    --mcs-ref-panel-left-rgb: 18, 56, 36;
    --mcs-ref-panel-right-rgb: 18, 56, 36;
    --mcs-ref-panel-alpha: 0.86;
    /* Top chrome — neutral gray; HUD glow theme does not apply here */
    --mcs-top-chrome-bg-rgb: 45, 47, 49;
    --mcs-top-chrome-bg: rgba(var(--mcs-top-chrome-bg-rgb), 0.92);
    --mcs-ref-panel-slide-ms: 360ms;
    /* Side panel fold line — chamfered spaceship-door handle strip */
    --mcs-panel-fold-strip-w: 36px;
    --mcs-panel-fold-glow-bleed: 14px;
    --mcs-panel-fold-glow-panel-overlap: var(--mcs-panel-fold-strip-w);
    --mcs-left-rail-open-content-inset: calc(
        var(--mcs-rail-tab-stack-w) + var(--mcs-panel-fold-glow-panel-overlap)
    );
    --mcs-watchlist-slide-max: 20rem;
    --mcs-left-rail-slide-width: var(--mcs-watchlist-slide-max);
    --mcs-rail-tab-stack-w: 42px;
    --mcs-rail-tab-collapsed-w: calc(var(--mcs-panel-fold-strip-w) + var(--mcs-rail-tab-stack-w));
    --mcs-rail-panel-inner-inset: 0.65rem;
    --mcs-rail-panel-band-left: var(--mcs-panel-fold-glow-panel-overlap);
    --mcs-rail-panel-content-left: calc(var(--mcs-rail-panel-band-left) + var(--mcs-rail-panel-inner-inset));
    --mcs-rail-topbar-chrome-h: 2.35rem;
    --mcs-right-rail-topbar-h: var(--mcs-rail-topbar-chrome-h);
    --mcs-hud-panel-bg-left: rgba(var(--mcs-ref-panel-left-rgb), var(--mcs-ref-panel-alpha));
    --mcs-hud-panel-edge-border: rgba(var(--mcs-glow-rgb), 0.22);
    --mcs-hud-panel-bg-right: var(--mcs-hud-panel-bg-left);
    --mcs-panel-fold-bg-inset-left: inset -4px 0 14px rgba(0, 0, 0, 0.38);
    --mcs-panel-fold-bg-inset-right: inset 4px 0 14px rgba(0, 0, 0, 0.38);
    --mcs-panel-fold-accent: var(--mcs-accent);
    --mcs-panel-fold-accent-dim: rgba(var(--mcs-glow-rgb), 0.55);
    --mcs-panel-fold-glow-left:
        drop-shadow(2px 0 10px rgba(var(--mcs-glow-rgb), 0.34))
        drop-shadow(1px 0 6px rgba(var(--mcs-accent-rgb), 0.45))
        drop-shadow(0 0 8px rgba(var(--mcs-glow-soft-rgb), 0.18));
    --mcs-panel-fold-glow-right:
        drop-shadow(-2px 0 10px rgba(var(--mcs-glow-rgb), 0.34))
        drop-shadow(-1px 0 6px rgba(var(--mcs-accent-rgb), 0.45))
        drop-shadow(0 0 8px rgba(var(--mcs-glow-soft-rgb), 0.18));
    --mcs-panel-fold-fill-left: linear-gradient(
        270deg,
        rgba(var(--mcs-accent-rgb), 0.26) 0%,
        rgba(var(--mcs-glow-rgb), 0.1) 52%,
        transparent 100%
    );
    --mcs-panel-fold-fill-right: linear-gradient(
        90deg,
        rgba(var(--mcs-accent-rgb), 0.26) 0%,
        rgba(var(--mcs-glow-rgb), 0.1) 52%,
        transparent 100%
    );
    /* Open rail — full-height vertical glow veil (map-facing edge, soft + wide) */
    --mcs-panel-fold-open-veil-left: linear-gradient(
        90deg,
        rgba(var(--mcs-accent-rgb), 0.06) 0%,
        rgba(var(--mcs-accent-rgb), 0.14) 42%,
        rgba(var(--mcs-glow-rgb), 0.1) 72%,
        rgba(var(--mcs-glow-deep-rgb), 0.05) 100%
    );
    --mcs-panel-fold-open-veil-right: linear-gradient(
        270deg,
        rgba(var(--mcs-accent-rgb), 0.06) 0%,
        rgba(var(--mcs-accent-rgb), 0.14) 42%,
        rgba(var(--mcs-glow-rgb), 0.1) 72%,
        rgba(var(--mcs-glow-deep-rgb), 0.05) 100%
    );
    --mcs-panel-fold-open-edge-left: linear-gradient(
        180deg,
        rgba(var(--mcs-glow-rgb), 0.03) 0%,
        rgba(var(--mcs-accent-rgb), 0.1) 50%,
        rgba(var(--mcs-glow-rgb), 0.03) 100%
    );
    --mcs-panel-fold-open-edge-right: var(--mcs-panel-fold-open-edge-left);
    --mcs-panel-fold-glow-open-left:
        drop-shadow(2px 0 14px rgba(var(--mcs-glow-rgb), 0.22))
        drop-shadow(1px 0 8px rgba(var(--mcs-accent-rgb), 0.16));
    --mcs-panel-fold-glow-open-right:
        drop-shadow(-2px 0 14px rgba(var(--mcs-glow-rgb), 0.22))
        drop-shadow(-1px 0 8px rgba(var(--mcs-accent-rgb), 0.16));
    --mcs-panel-fold-edge-shadow-left:
        inset 1px 0 0 rgba(var(--mcs-accent-rgb), 0.22),
        -5px 0 26px rgba(var(--mcs-glow-rgb), 0.14);
    --mcs-panel-fold-edge-shadow-right:
        inset -1px 0 0 rgba(var(--mcs-accent-rgb), 0.22),
        5px 0 26px rgba(var(--mcs-glow-rgb), 0.14);
    --mcs-panel-fold-toggle-hover-glow: drop-shadow(0 0 8px rgba(var(--mcs-accent-rgb), 0.65));
    --mcs-panel-fold-chevron-glow: drop-shadow(0 0 5px rgba(var(--mcs-accent-rgb), 0.5));
    --mcs-panel-fold-chevron-active-glow: drop-shadow(0 0 10px rgba(var(--mcs-accent-rgb), 0.85));
    /* Fold chamfer SVG — defaults; hud-glow-theme.js overrides on #mcs-app */
    --mcs-panel-fold-svg-left: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 100' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='g' gradientUnits='userSpaceOnUse' x1='20' y1='0' x2='0' y2='0'%3E%3Cstop offset='0%25' stop-color='%2348e883' stop-opacity='0.28'/%3E%3Cstop offset='50%25' stop-color='%232ec972' stop-opacity='0.12'/%3E%3Cstop offset='100%25' stop-color='%23187848' stop-opacity='0.03'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M20 0 L13 5.5 L13 33 C13 39.5 2 43.5 2 50 C2 56.5 13 60.5 13 67 L13 94.5 L20 100 Z' fill='url(%23g)'/%3E%3C/svg%3E");
    --mcs-panel-fold-svg-right: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 100' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='g' gradientUnits='userSpaceOnUse' x1='0' y1='0' x2='20' y2='0'%3E%3Cstop offset='0%25' stop-color='%2348e883' stop-opacity='0.28'/%3E%3Cstop offset='50%25' stop-color='%232ec972' stop-opacity='0.12'/%3E%3Cstop offset='100%25' stop-color='%23187848' stop-opacity='0.03'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0 0 L7 5.5 L7 33 C7 39.5 18 43.5 18 50 C18 56.5 7 60.5 7 67 L7 94.5 L0 100 Z' fill='url(%23g)'/%3E%3C/svg%3E");
    --mcs-hud-panel-bg: var(--mcs-hud-panel-bg-left);
    --mcs-frame-overlay-z: 12;
    --mcs-frame-ui-z: 25;
    --mcs-frame-top-ui-z: 50;
    --mcs-status-h: var(--mcs-frame-bottom-chrome);
    background-color: #000;
}

.mcs-hud-layout.mcs-frame-bg::before {
    content: none;
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: var(--mcs-frame-overlay-z);
    pointer-events: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-overlay img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
    user-select: none;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.mcs-frame-overlay {
    display: none;
}

.mcs-hud-layout:not(.mcs-frame-bg) .mcs-frame-top-brand,
.mcs-hud-layout:not(.mcs-frame-bg) .mcs-frame-top-tts,
.mcs-hud-layout:not(.mcs-frame-bg) .mcs-frame-top-clock {
    display: none;
}

/* Top-left TTS — width locked to left rail tab column (overlay PNG antenna in this band) */
.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-frame-top-tts {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--mcs-rail-tab-stack-w);
    min-width: var(--mcs-rail-tab-stack-w);
    max-width: var(--mcs-rail-tab-stack-w);
    height: var(--mcs-frame-top-chrome);
    z-index: calc(var(--mcs-frame-top-ui-z) + 3);
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    pointer-events: auto;
    background: var(--mcs-top-chrome-bg);
    border-right: 1px solid var(--mcs-frame-top-well-border);
}

.mcs-frame-top-tts-btn {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: rgba(210, 214, 220, 0.95);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition:
        background 0.18s ease,
        color 0.18s ease,
        box-shadow 0.18s ease;
}

.mcs-frame-top-tts-btn:hover,
.mcs-frame-top-tts-btn:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.mcs-frame-top-tts-btn.is-on,
.mcs-frame-top-tts-btn[aria-pressed="true"] {
    background: rgba(46, 204, 113, 0.28);
    box-shadow: inset 0 0 0 1px rgba(82, 220, 130, 0.42);
    color: rgba(196, 255, 214, 0.98);
}

.mcs-frame-top-tts-btn.is-on:hover,
.mcs-frame-top-tts-btn.is-on:focus-visible {
    background: rgba(46, 204, 113, 0.38);
}

.mcs-frame-top-tts-icon {
    width: clamp(13px, 0.95vw, 16px);
    height: clamp(13px, 0.95vw, 16px);
    display: block;
}

/* Brand — left top well (TTS column + logo / title) */
.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-frame-top-brand {
    position: fixed;
    top: 0;
    left: var(--mcs-rail-tab-stack-w);
    width: var(--mcs-frame-top-brand-w);
    max-width: var(--mcs-frame-top-brand-w);
    min-width: 0;
    height: var(--mcs-frame-top-chrome);
    z-index: var(--mcs-frame-top-ui-z);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0.4rem;
    box-sizing: border-box;
    padding:
        0
        clamp(0.35rem, 0.55vw, 0.65rem)
        0
        clamp(0.28rem, 0.42vw, 0.5rem);
    margin: 0;
    overflow: hidden;
    white-space: nowrap;
    pointer-events: auto;
    background: transparent;
    border: none;
    border-right: 1px solid rgba(255, 255, 255, 0.07);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-brand-sub {
    flex: 0 1 auto;
}

/* Top-right clock — fixed slot between 3D/2D toggle and settings (PNG ref x=1028+) */
.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock {
    position: fixed;
    top: 0;
    left: calc(var(--mcs-frame-top-clock-x1) * 100% / var(--mcs-frame-ref-w));
    right: auto;
    width: var(--mcs-frame-top-clock-w);
    max-width: var(--mcs-frame-top-clock-w);
    min-width: 0;
    height: var(--mcs-frame-top-chrome);
    z-index: calc(var(--mcs-frame-top-ui-z) + 2);
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: stretch;
    gap: 0;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    pointer-events: auto;
    background: var(--mcs-frame-top-well-bg);
    border: none;
    border-left: 1px solid var(--mcs-frame-top-well-border);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    overflow: hidden;
    isolation: isolate;
}

.mcs-hud-layout.mcs-frame-bg.mcs-top-fullscreen-hidden .mcs-frame-top-clock {
    width: calc(var(--mcs-frame-col-right) - var(--mcs-frame-top-settings-w));
    max-width: calc(var(--mcs-frame-col-right) - var(--mcs-frame-top-settings-w));
}

.mcs-hud-layout.mcs-frame-bg.mcs-top-fullscreen-hidden .mcs-frame-top-settings {
    right: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-frame-top-clock {
    display: none;
}

.mcs-frame-top-clock-btn {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    height: 100%;
    margin: 0;
    padding:
        0
        clamp(0.35rem, 0.5vw, 0.55rem)
        0
        clamp(0.35rem, 0.5vw, 0.55rem);
    border: none;
    border-radius: 0;
    background: transparent;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    box-sizing: border-box;
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-idle);
    transition:
        color 0.12s ease,
        background-color 0.12s ease,
        box-shadow 0.12s ease;
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.mcs-frame-top-clock-btn:hover,
.mcs-frame-top-clock-btn:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock.is-active .mcs-frame-top-clock-btn {
    background: rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-active);
}

.mcs-frame-top-brand .mcs-logo {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    object-fit: contain;
}

.mcs-frame-top-brand-title {
    flex-shrink: 0;
    font-size: clamp(0.78rem, 0.88vw, 0.92rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.02em;
    color: #fff;
}

.mcs-frame-top-brand-sep {
    flex-shrink: 0;
    font-size: clamp(0.72rem, 0.8vw, 0.85rem);
    font-weight: 400;
    line-height: 1;
    color: rgba(176, 188, 204, 0.75);
}

.mcs-frame-top-brand-sub {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: clamp(0.68rem, 0.76vw, 0.8rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.03em;
    color: rgba(196, 206, 218, 0.92);
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock-label,
.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-clock #sim-time-display {
    display: block;
    width: 100%;
    max-width: 100%;
    pointer-events: none;
    text-align: center;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: clamp(0.72rem, 0.92vw, 0.95rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.018em;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-variant-numeric: tabular-nums;
    min-width: 0;
}

.mcs-frame-top-clock-label {
    display: block;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: clamp(0.82rem, 0.92vw, 0.94rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.015em;
    color: #fff;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.mcs-frame-top-clock-now.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    pointer-events: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-layer,
.mcs-hud-layout.mcs-frame-bg .mcs-main {
    grid-template-columns:
        minmax(0, var(--mcs-frame-col-left))
        minmax(0, var(--mcs-frame-col-center))
        minmax(0, var(--mcs-frame-col-right));
    align-items: stretch;
    box-sizing: border-box;
    top: var(--mcs-frame-panel-top);
    bottom: var(--mcs-frame-panel-bottom);
    left: 0;
    right: 0;
    width: auto;
    height: auto;
    padding-top: 0;
    padding-bottom: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail {
    position: relative;
    z-index: 1;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-layer {
    z-index: var(--mcs-map-z);
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-fill {
    background: #000;
    border: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail {
    align-self: stretch;
    box-sizing: border-box;
    height: auto;
    max-height: 100%;
    min-height: 0;
    margin-top: 0;
    margin-bottom: 0;
    overflow: hidden;
    position: relative;
    isolation: isolate;
    background: transparent;
    border-color: rgba(255, 255, 255, 0.07);
    box-shadow: none;
}

/* Right rail — always anchor tab strip to viewport right edge */
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left {
    justify-self: start;
}

/* Sliding panel chrome — colors from Images/mcsbackground.png */
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left::before,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    transition: transform var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left::before {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-open::before,
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-pinned::before {
    transform: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail::before {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open::before,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned::before {
    transform: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left > *:not(.mcs-panel-fold-grip),
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail > *:not(.mcs-panel-fold-grip) {
    position: relative;
    z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
    .mcs-hud-layout.mcs-frame-bg .mcs-panel-left::before,
    .mcs-hud-layout.mcs-frame-bg .mcs-right-rail::before,
    .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-slide,
    .mcs-hud-layout.mcs-frame-bg .mcs-rail-slide,
    .mcs-hud-layout.mcs-frame-bg .mcs-panel-fold-grip {
        transition: none;
    }

    .mcs-hud-layout.mcs-frame-bg .mcs-panel-left::before,
    .mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-open::before,
    .mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-pinned::before,
    .mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open::before,
    .mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned::before {
        transform: none;
    }

    .mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-slide {
        opacity: 1;
        transform: none;
    }
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane .mcs-panel-header {
    background: rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 255, 255, 0.07);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane .mcs-panel-body {
    background: transparent;
    border-color: var(--mcs-hud-panel-border);
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    min-height: 0;
    padding: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) {
    align-items: stretch;
    flex: 0 0 var(--mcs-rail-tab-collapsed-w);
    width: var(--mcs-rail-tab-collapsed-w);
    max-width: var(--mcs-rail-tab-collapsed-w);
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-slide {
    flex: 0 0 0;
    width: 0;
    max-width: 0;
    min-width: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-panels {
    opacity: 1;
    pointer-events: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-panels::before {
    opacity: 0;
    visibility: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-pane {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.mcs-left-rail-tabs {
    display: none;
}

.mcs-left-rail-panels {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.mcs-left-rail-pane {
    display: none;
    flex: 1;
    min-width: 0;
    min-height: 0;
    flex-direction: column;
}

.mcs-left-rail-pane.active {
    display: flex;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs {
    display: flex;
    flex-direction: column;
    width: var(--mcs-rail-tab-stack-w);
    flex: 0 0 var(--mcs-rail-tab-stack-w);
    align-self: stretch;
    min-height: 0;
    position: relative;
    z-index: 2;
    background: var(--mcs-hud-panel-bg-left);
    border-right: 1px solid var(--mcs-hud-panel-edge-border);
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs > .mcs-rail-tab {
    position: relative;
    z-index: 1;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab.active {
    box-shadow: inset -2px 0 0 var(--mcs-accent);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tab-edge {
    display: flex;
    flex-direction: row;
    flex: 0 0 var(--mcs-rail-tab-stack-w);
    width: var(--mcs-rail-tab-stack-w);
    min-width: var(--mcs-rail-tab-stack-w);
    max-width: var(--mcs-rail-tab-stack-w);
    align-items: stretch;
    align-self: stretch;
    min-height: 0;
    position: relative;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tab-stack {
    display: flex;
    flex-direction: column;
    flex: 0 0 var(--mcs-rail-tab-stack-w);
    width: var(--mcs-rail-tab-stack-w);
    min-width: var(--mcs-rail-tab-stack-w);
    max-width: var(--mcs-rail-tab-stack-w);
    align-self: stretch;
    min-height: 0;
    gap: 1px;
    padding: 1px;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tab-stack > .mcs-rail-tab {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab {
    border: 1px solid rgba(var(--mcs-accent-rgb), 0.18);
    border-bottom: 1px solid rgba(var(--mcs-accent-rgb), 0.18);
    background: rgba(var(--mcs-glow-rgb), 0.1);
    color: rgba(176, 196, 184, 0.92);
    min-height: 48px;
    padding-left: 0.12rem;
    padding-right: 0.12rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab:hover,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab:hover {
    background: rgba(var(--mcs-accent-rgb), 0.14);
    border-color: rgba(var(--mcs-accent-rgb), 0.24);
    color: var(--mcs-text);
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active {
    background: rgba(var(--mcs-accent-rgb), 0.24);
    border-color: rgba(var(--mcs-accent-rgb), 0.42);
    color: #fff;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab {
    border-right: 1px solid rgba(var(--mcs-accent-rgb), 0.18);
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active {
    border-right-color: rgba(var(--mcs-accent-rgb), 0.42);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab {
    border-left: 1px solid rgba(var(--mcs-accent-rgb), 0.18);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active {
    border-left-color: rgba(var(--mcs-accent-rgb), 0.42);
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs > .mcs-rail-tab:not(.active),
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs > .mcs-rail-tab:not(.active) {
    border: 1px solid rgba(var(--mcs-accent-rgb), 0.14);
    background: rgba(var(--mcs-glow-rgb), 0.08);
    color: rgba(176, 196, 184, 0.88);
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs > .mcs-rail-tab:not(.active):hover,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs > .mcs-rail-tab:not(.active):hover {
    background: rgba(var(--mcs-accent-rgb), 0.12);
    border-color: rgba(var(--mcs-accent-rgb), 0.22);
    color: var(--mcs-text);
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs > .mcs-rail-pin[aria-pressed="true"],
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs > .mcs-rail-pin[aria-pressed="true"] {
    border-color: rgba(255, 193, 7, 0.45);
}

/* Gray — original neutral panel + blue tab chrome */
:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab,
:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(8, 10, 14, 0.52);
    color: rgba(176, 184, 196, 0.92);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab:hover,
:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab:hover {
    background: rgba(61, 139, 253, 0.14);
    border-color: rgba(255, 255, 255, 0.24);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active,
:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active {
    background: rgba(61, 139, 253, 0.24);
    border-color: rgba(94, 179, 255, 0.42);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab {
    border-right-color: rgba(255, 255, 255, 0.16);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active {
    border-right-color: rgba(94, 179, 255, 0.42);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab {
    border-left-color: rgba(255, 255, 255, 0.16);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs .mcs-rail-tab-stack > .mcs-rail-tab.active {
    border-left-color: rgba(94, 179, 255, 0.42);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs > .mcs-rail-tab:not(.active),
:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs > .mcs-rail-tab:not(.active) {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(8, 10, 14, 0.45);
    color: rgba(176, 184, 196, 0.88);
}

:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs > .mcs-rail-tab:not(.active):hover,
:root[data-mcs-hud-glow-theme="gray"] .mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs > .mcs-rail-tab:not(.active):hover {
    background: rgba(61, 139, 253, 0.12);
    border-color: rgba(255, 255, 255, 0.22);
}


.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-tabs > .mcs-rail-pin,
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-tabs > .mcs-rail-toggle,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-tabs > .mcs-rail-pin,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-tabs > .mcs-rail-toggle {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-rail-tab-spacer,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-tab-spacer {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail .mcs-rail-tabs {
    align-self: stretch;
    flex: 0 0 var(--mcs-rail-tab-stack-w);
    width: var(--mcs-rail-tab-stack-w);
    min-width: var(--mcs-rail-tab-stack-w);
    max-width: var(--mcs-rail-tab-stack-w);
    height: auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-slide {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition:
        max-width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        opacity var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        flex-basis var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear var(--mcs-ref-panel-slide-ms);
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-left-rail-slide,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-left-rail-slide {
    visibility: visible;
    transition:
        max-width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        opacity var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        flex-basis var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0s;
    flex: 0 0 auto;
    align-self: stretch;
    width: min(
        var(--mcs-left-rail-slide-width),
        calc(100% - var(--mcs-left-rail-open-content-inset))
    );
    max-width: min(
        var(--mcs-left-rail-slide-width),
        calc(100% - var(--mcs-left-rail-open-content-inset))
    );
    min-height: 0;
    padding-right: 0;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-left-rail-panels,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-left-rail-panels {
    flex: 1 1 auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 0;
    height: 100%;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-left-rail-pane,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-left-rail-pane {
    flex: 1 1 auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 0;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-watchlist-pane .form-control,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-watchlist-pane .form-control {
    width: 15.5rem;
    max-width: 100%;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-panel-body-scroll,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-panel-body-scroll {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    max-width: 100%;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-watchlist-category-tabs,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-watchlist-category-tabs {
    width: max-content;
    max-width: 100%;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-panel-left-head .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-panel-left-head .mcs-panel-header {
    padding: 0.35rem 0.5rem 0.4rem;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-left-rail-panels .mcs-panel-left-head,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-left-rail-panels .mcs-panel-left-head,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-left-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-left-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-left-rail-panels .mcs-panel-body-scroll,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-left-rail-panels .mcs-panel-body-scroll {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    isolation: isolate;
    overflow: hidden;
    opacity: 1;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: var(--mcs-hud-panel-bg-left);
    border-right: 1px solid var(--mcs-hud-panel-edge-border);
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels::after {
    content: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels > * {
    position: relative;
    z-index: 1;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-open .mcs-rail-chevron,
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-pinned .mcs-rail-chevron {
    transform: rotate(180deg);
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-tabs .mcs-rail-tab[disabled] {
    opacity: 1;
    cursor: default;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left .mcs-panel-body-scroll {
    flex: 1 1 auto;
    min-height: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left .mcs-panel-left-head {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 0.15rem;
    padding-top: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left .mcs-panel-brand {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left .mcs-panel-left-head .mcs-panel-header {
    padding: 0.35rem 0.65rem 0.4rem;
    color: rgba(220, 228, 238, 0.92);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-height: 0;
    height: 100%;
    padding: 0;
    justify-self: end;
    width: 100%;
    transition: none;
}

/* Right rail — panel fill from rail-body down (topbar row stays bg-free for glow) */
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: var(--mcs-hud-panel-bg-left);
    border-left: 1px solid rgba(255, 255, 255, 0.07);
    box-sizing: border-box;
    transition: opacity var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1);
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open::after,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned::after {
    top: var(--mcs-rail-topbar-chrome-h);
    left: var(--mcs-rail-panel-band-left);
}

/* Collapsed — tab strip flush to viewport right (no frame inset gap) */
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) {
    padding-right: 0;
    justify-self: end;
    width: var(--mcs-rail-tab-collapsed-w);
    max-width: var(--mcs-rail-tab-collapsed-w);
    min-width: var(--mcs-rail-tab-collapsed-w);
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-topbar {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned)::after {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-body::before {
    content: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-slide {
    flex: 0 0 0;
    width: 0;
    max-width: 0;
    min-width: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-panels {
    flex: 0 0 0;
    width: 0;
    min-width: 0;
    max-width: 0;
    overflow: hidden;
    transform: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-panels::before {
    opacity: 0;
    visibility: hidden;
}

/* Open — panel content inset only; tab column stays edge-flush */
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-open .mcs-left-rail-panels,
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-pinned .mcs-left-rail-panels {
    padding-right: 0.35rem;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: row-reverse;
    align-items: stretch;
    position: relative;
    isolation: isolate;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-body::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: var(--mcs-hud-panel-bg-left);
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open .mcs-rail-body::before,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned .mcs-rail-body::before {
    left: var(--mcs-rail-panel-band-left);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-body > *:not(.mcs-panel-fold-grip) {
    position: relative;
    z-index: 1;
}

/* Fold grip — flex sibling of slide + tabs; moves with panel collapse */
.mcs-hud-layout.mcs-frame-bg .mcs-panel-fold-grip {
    position: relative;
    flex: 0 0 var(--mcs-panel-fold-strip-w);
    width: var(--mcs-panel-fold-strip-w);
    align-self: stretch;
    min-height: 0;
    z-index: 14;
    pointer-events: auto;
}

.mcs-hud-layout.mcs-frame-bg #left-rail > .mcs-panel-fold-grip {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: auto;
    width: var(--mcs-panel-fold-glow-panel-overlap);
    height: auto;
    align-self: auto;
    z-index: 16;
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg #left-rail,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-open,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned {
    position: relative;
    overflow: visible;
}

/* Open — glow strip on map-facing edge (right rail) */
.mcs-hud-layout.mcs-frame-bg #right-rail .mcs-rail-body > .mcs-panel-fold-grip {
    position: absolute;
    bottom: 0;
    left: 0;
    flex: none;
    width: var(--mcs-panel-fold-glow-panel-overlap);
    min-width: var(--mcs-panel-fold-glow-panel-overlap);
    max-width: var(--mcs-panel-fold-glow-panel-overlap);
    height: auto;
    align-self: auto;
    z-index: 16;
    pointer-events: auto;
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg #right-rail:not(.is-open):not(.is-pinned) .mcs-rail-body > .mcs-panel-fold-grip {
    top: 0;
}

.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-body > .mcs-panel-fold-grip,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-body > .mcs-panel-fold-grip {
    top: calc(-1 * var(--mcs-right-rail-topbar-h, var(--mcs-rail-topbar-chrome-h)));
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs {
    position: relative;
    z-index: 2;
    flex: 0 0 var(--mcs-rail-tab-stack-w);
    width: var(--mcs-rail-tab-stack-w);
    background: var(--mcs-hud-panel-bg-left);
    border-left: 1px solid var(--mcs-hud-panel-edge-border);
    align-self: stretch;
    min-height: 0;
    overflow: hidden;
}

/* Right tab column — top chrome cap only (overlay PNG tab strip, not full top bar) */
.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs::before {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    width: var(--mcs-rail-tab-stack-w);
    height: var(--mcs-frame-top-chrome);
    z-index: calc(var(--mcs-frame-ui-z) + 1);
    pointer-events: none;
    box-sizing: border-box;
    background: var(--mcs-top-chrome-bg);
    border-left: 1px solid rgba(255, 255, 255, 0.07);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-tabs > .mcs-rail-tab {
    position: relative;
    z-index: 1;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-slide {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition:
        max-width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        opacity var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        flex-basis var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear var(--mcs-ref-panel-slide-ms);
}

.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-slide,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-slide {
    visibility: visible;
    transition:
        max-width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        width var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        opacity var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        flex-basis var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0s;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    isolation: isolate;
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned {
    overflow: visible;
    justify-self: end;
    width: 100%;
    max-width: 100%;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail .mcs-rail-body {
    align-self: stretch;
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
    min-width: 0;
    position: relative;
    padding-left: var(--mcs-panel-fold-glow-panel-overlap);
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-body {
    width: 100%;
    max-width: 100%;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open .mcs-rail-body,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned .mcs-rail-body {
    overflow: visible;
}

.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-slide,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-slide {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    max-width: none;
    padding-left: 0;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-panels::before,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-panels::before {
    left: 0;
}

.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-panels .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-panels .mcs-panel-header {
    padding: 0.6rem 0.75rem 0.6rem var(--mcs-rail-panel-inner-inset);
}

.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-open .mcs-rail-panels .mcs-panel-body-scroll,
.mcs-hud-layout.mcs-frame-bg #right-rail.is-pinned .mcs-rail-panels .mcs-panel-body-scroll {
    padding: 0.75rem 0.75rem 0.75rem var(--mcs-rail-panel-inner-inset);
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open .mcs-rail-panels,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned .mcs-rail-panels {
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
    min-width: 0;
    padding-right: 0;
    box-sizing: border-box;
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: var(--mcs-hud-panel-bg-left);
    border-left: 1px solid rgba(255, 255, 255, 0.07);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels::after {
    content: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels > * {
    position: relative;
    z-index: 1;
}

/* Collapsed — chamfer grip on tab strip edge */
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left:not(.is-open):not(.is-pinned) .mcs-left-rail-tabs::after {
    content: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-tabs::after {
    content: none;
}

/* Fold grip — chamfer glow strip + chevron button as one unit */
.mcs-hud-layout.mcs-frame-bg #left-rail > .mcs-panel-fold-grip::before,
.mcs-hud-layout.mcs-frame-bg #right-rail .mcs-rail-body > .mcs-panel-fold-grip::before {
    top: 0;
    bottom: 0;
    height: 100%;
    min-height: 0;
    transform: scaleX(-1);
}

.mcs-hud-layout.mcs-frame-bg #left-rail > .mcs-panel-fold-grip::before {
    inset: 0;
    background:
        var(--mcs-panel-fold-svg-left) center / 100% 100% no-repeat,
        var(--mcs-panel-fold-open-veil-left),
        var(--mcs-panel-fold-open-edge-left);
    filter: var(--mcs-panel-fold-glow-open-left);
}

.mcs-hud-layout.mcs-frame-bg #right-rail .mcs-rail-body > .mcs-panel-fold-grip::before {
    inset: 0;
    background:
        var(--mcs-panel-fold-svg-right) center / 100% 100% no-repeat,
        var(--mcs-panel-fold-open-veil-right),
        var(--mcs-panel-fold-open-edge-right);
    filter: var(--mcs-panel-fold-glow-open-right);
}

.mcs-hud-layout.mcs-frame-bg #left-rail > .mcs-panel-fold-grip::after,
.mcs-hud-layout.mcs-frame-bg #right-rail .mcs-rail-body > .mcs-panel-fold-grip::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.mcs-hud-layout.mcs-frame-bg #left-rail > .mcs-panel-fold-grip::after {
    box-shadow: var(--mcs-panel-fold-edge-shadow-left);
}

.mcs-hud-layout.mcs-frame-bg #right-rail .mcs-rail-body > .mcs-panel-fold-grip::after {
    box-shadow: var(--mcs-panel-fold-edge-shadow-right);
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-fold-grip::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    transform: scaleX(-1);
    background:
        var(--mcs-panel-fold-svg-left) center / 100% 100% no-repeat,
        var(--mcs-panel-fold-fill-left);
    filter: var(--mcs-panel-fold-glow-left);
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-fold-grip--right::before {
    background:
        var(--mcs-panel-fold-svg-right) center / 100% 100% no-repeat,
        var(--mcs-panel-fold-fill-right);
    filter: var(--mcs-panel-fold-glow-right);
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-fold-toggle {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    transform: none;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    transition: filter 0.15s ease;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-fold-grip:has(.mcs-panel-fold-toggle:hover)::before {
    opacity: 1;
}

.mcs-hud-layout.mcs-frame-bg #left-rail > .mcs-panel-fold-grip:has(.mcs-panel-fold-toggle:hover)::before {
    filter: var(--mcs-panel-fold-glow-open-left);
}

.mcs-hud-layout.mcs-frame-bg #right-rail .mcs-rail-body > .mcs-panel-fold-grip:has(.mcs-panel-fold-toggle:hover)::before {
    filter: var(--mcs-panel-fold-glow-open-right);
}

.mcs-panel-fold-toggle:hover {
    filter: var(--mcs-panel-fold-toggle-hover-glow);
}

.mcs-panel-fold-toggle:active .mcs-panel-fold-chevron,
.mcs-panel-fold-toggle:active {
    transform: none;
}

.mcs-panel-fold-toggle:active .mcs-panel-fold-chevron {
    transform: scale(0.94);
}

.mcs-panel-fold-toggle:focus-visible {
    outline: 1px solid var(--mcs-panel-fold-accent);
    outline-offset: 2px;
}

.mcs-panel-fold-chevron {
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    filter: var(--mcs-panel-fold-chevron-glow);
    transition:
        border-color 0.2s ease,
        transform var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1),
        filter 0.15s ease;
}

/* Left — open: slide left to close (◀) · closed: slide right to open (▶) */
.mcs-panel-fold-toggle--left[aria-expanded="true"] .mcs-panel-fold-chevron {
    border-width: 6px 8px 6px 0;
    border-color: transparent var(--mcs-panel-fold-accent) transparent transparent;
    transform: translateX(-1px);
}

.mcs-panel-fold-toggle--left[aria-expanded="false"] .mcs-panel-fold-chevron {
    border-width: 6px 0 6px 8px;
    border-color: transparent transparent transparent var(--mcs-panel-fold-accent);
    transform: translateX(1px);
}

.mcs-panel-fold-toggle--left[aria-expanded="true"]:hover .mcs-panel-fold-chevron {
    transform: translateX(-3px);
}

.mcs-panel-fold-toggle--left[aria-expanded="false"]:hover .mcs-panel-fold-chevron {
    transform: translateX(3px);
}

/* Right — open: slide right to close (▶) · closed: slide left to open (◀) */
.mcs-panel-fold-toggle--right[aria-expanded="true"] .mcs-panel-fold-chevron {
    border-width: 6px 0 6px 8px;
    border-color: transparent transparent transparent var(--mcs-panel-fold-accent);
    transform: translateX(1px);
}

.mcs-panel-fold-toggle--right[aria-expanded="false"] .mcs-panel-fold-chevron {
    border-width: 6px 8px 6px 0;
    border-color: transparent var(--mcs-panel-fold-accent) transparent transparent;
    transform: translateX(-1px);
}

.mcs-panel-fold-toggle--right[aria-expanded="true"]:hover .mcs-panel-fold-chevron {
    transform: translateX(3px);
}

.mcs-panel-fold-toggle--right[aria-expanded="false"]:hover .mcs-panel-fold-chevron {
    transform: translateX(-3px);
}

.mcs-panel-fold-toggle--left.is-animating .mcs-panel-fold-chevron,
.mcs-panel-fold-toggle--right.is-animating .mcs-panel-fold-chevron {
    filter: var(--mcs-panel-fold-chevron-active-glow);
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-open .mcs-left-rail-tabs .mcs-rail-toggle,
.mcs-hud-layout.mcs-frame-bg .mcs-panel-left.is-pinned .mcs-left-rail-tabs .mcs-rail-toggle,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-open .mcs-rail-tabs .mcs-rail-toggle,
.mcs-hud-layout.mcs-frame-bg .mcs-right-rail.is-pinned .mcs-rail-tabs .mcs-rail-toggle {
    display: none;
}

/* Left rail — left-aligned; right rail — left-aligned with fold-handle inset */
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-body-scroll,
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-left-head,
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-watchlist-category-tabs,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-panel-body-scroll,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-rail-topbar {
    text-align: left;
}

.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg .mcs-left-rail-panels .mcs-panel-left-head {
    padding-left: 0.75rem;
    padding-right: 0.55rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-panel-header,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-panels .mcs-panel-body-scroll {
    padding-left: var(--mcs-rail-panel-inner-inset);
    padding-right: 0.75rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane.active {
    min-height: 0;
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane .mcs-panel-body,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane .mcs-panel-body-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar {
    position: relative;
    z-index: 18;
    align-self: stretch;
    width: 100%;
    min-height: var(--mcs-rail-topbar-chrome-h);
    padding: 0.35rem 0.75rem 0.35rem var(--mcs-rail-panel-content-left);
    background: transparent;
    border-bottom: none;
    box-sizing: border-box;
}

/* 지구 자전 행 — 패널 밴드 (글로우 직후부터 전체 폭) */
.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar::before {
    content: "";
    position: absolute;
    left: var(--mcs-rail-panel-band-left);
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
    background: var(--mcs-hud-panel-bg-left);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar > * {
    position: relative;
    z-index: 20;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-brand,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-topbar-actions,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-earth-spin-control,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-earth-spin-btn {
    position: relative;
    z-index: 20;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-topbar-actions {
    width: 100%;
    max-width: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-earth-spin-control {
    width: 100%;
    max-width: none;
    justify-content: space-between;
    gap: 0.75rem;
    padding-left: 0;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-brand {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-rail-topbar .mcs-sim-time {
    display: none !important;
}

.mcs-statusbar-left,
.mcs-statusbar-right {
    display: flex;
    align-items: center;
    gap: clamp(0.45rem, 0.9vw, 0.75rem);
    min-width: 0;
}

.mcs-statusbar-left {
    flex: 1 1 auto;
    justify-content: flex-start;
}

.mcs-statusbar-right {
    flex-shrink: 0;
    justify-content: flex-end;
}

.mcs-hud-layout.mcs-frame-bg .mcs-statusbar {
    display: grid;
    grid-template-columns:
        minmax(0, var(--mcs-frame-bottom-left-well))
        minmax(0, var(--mcs-frame-bottom-right-well));
    grid-template-areas: "left right";
    min-height: var(--mcs-status-h);
    height: var(--mcs-status-h);
    z-index: calc(var(--mcs-frame-overlay-z) + 2);
    padding: 0;
    align-items: center;
    gap: 0;
    flex-wrap: nowrap;
    font-size: 0.68rem;
    line-height: 1;
    background: transparent;
    border: none;
    box-shadow: none;
    color: rgba(196, 206, 218, 0.92);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
    overflow: hidden;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-statusbar-left {
    grid-area: left;
    display: flex;
    align-items: center;
    min-width: 0;
    height: 100%;
    padding:
        0
        0.35rem
        0
        max(0.35rem, var(--mcs-frame-left-rail));
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-statusbar-right {
    grid-area: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.45rem, 0.9vw, 0.75rem);
    min-width: 0;
    height: 100%;
    padding:
        0
        max(0.35rem, var(--mcs-frame-right-inset))
        0
        0.35rem;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-statusbar-left > span,
.mcs-hud-layout.mcs-frame-bg .mcs-statusbar-right > span {
    display: inline-flex;
    align-items: center;
    min-width: 0;
    height: auto;
    line-height: 1;
    transform: none;
    white-space: nowrap;
}

.mcs-hud-layout.mcs-frame-bg #status-ground {
    flex-shrink: 0;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-hud-layout.mcs-frame-bg #status-view {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-hud-layout.mcs-frame-bg #status-objects,
.mcs-hud-layout.mcs-frame-bg #status-sun,
.mcs-hud-layout.mcs-frame-bg #status-api {
    flex-shrink: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-panel-body-scroll,
.mcs-hud-layout.mcs-frame-bg .mcs-rail-pane .mcs-panel-body {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.75);
}

.mcs-hud-layout.mcs-frame-bg .mcs-tree label,
.mcs-hud-layout.mcs-frame-bg .mcs-inspector dt,
.mcs-hud-layout.mcs-frame-bg .mcs-inspector dd {
    color: rgba(232, 238, 246, 0.94);
}

/* Cesium HUD — UI layer 위, 클릭 가능 */
.mcs-hud-layout.mcs-frame-bg .mcs-cesium-zoom-hud {
    position: fixed;
    left: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    height: var(--mcs-status-h);
    z-index: calc(var(--mcs-frame-overlay-z) + 3);
    background: transparent;
    border: none;
    padding: 0 0.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}

/* 재생·자전속도 컨트롤 + 카메라 라벨을 한 세트로 하단 중앙에 배치(센터 기준 양쪽).
   카메라 라벨=왼쪽, 재생·자전속도=오른쪽. */
.mcs-hud-layout.mcs-frame-bg .mcs-cesium-orient-hud {
    position: fixed;
    left: auto;
    right: calc(50% + 0.45rem);
    bottom: calc(var(--mcs-status-h) + 0.55rem);
    z-index: calc(var(--mcs-frame-overlay-z) + 2);
}

.mcs-hud-layout.mcs-frame-bg .mcs-sim-controls-stack {
    left: calc(50% + 0.45rem);
    right: auto;
    bottom: calc(var(--mcs-status-h) + 0.55rem);
    z-index: calc(var(--mcs-frame-overlay-z) + 4);
}

.mcs-hud-layout.mcs-frame-bg .mcs-sim-playback-hud,
.mcs-hud-layout.mcs-frame-bg .mcs-earth-spin-rate-hud {
    background: rgba(0, 0, 0, 0.55);
    border-color: rgba(94, 179, 255, 0.32);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}

.mcs-hud-layout.mcs-frame-bg .mcs-sim-controls-stack[hidden] {
    display: none !important;
}

.mcs-hud-layout.mcs-frame-bg .mcs-earth-spin-rate-hud {
    position: relative;
    right: auto;
    bottom: auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-earth-spin-rate-hud[hidden] {
    display: none !important;
}

/* 3D / 2D — tab widths via CSS; overlay PNG lines stay at x=939/983 so wells paint over them */
.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-map-view-toggle {
    position: fixed;
    top: 0;
    left: var(--mcs-frame-top-map-toggle-left);
    right: auto;
    width: var(--mcs-frame-top-map-toggle-w);
    height: var(--mcs-frame-top-chrome);
    margin: 0;
    z-index: var(--mcs-frame-top-ui-z);
    display: flex;
    align-items: stretch;
    pointer-events: auto;
    box-sizing: border-box;
    overflow: hidden;
    background: var(--mcs-frame-top-well-bg);
    border-left: 1px solid var(--mcs-frame-top-well-border);
}

/* Monitor + NMEA Simulation — centered block, original top-chrome button styling */
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools {
    display: contents;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools[hidden] .mcs-nmea-monitor-open-btn,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools[hidden] .mcs-nmea-simulation-btn {
    display: none !important;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-monitor-open-btn,
.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-monitor-open-btn {
    position: fixed;
    top: 0;
    left: var(--mcs-frame-top-nmea-tools-left);
    right: auto;
    width: var(--mcs-frame-top-monitor-w);
    height: var(--mcs-frame-top-chrome);
    margin: 0;
    padding: 0 0.2rem;
    z-index: var(--mcs-frame-top-ui-z);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    border: none;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0;
    background: rgba(0, 0, 0, 0.1);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: clamp(0.56rem, 0.64vw, 0.68rem);
    font-weight: 500;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    color: rgba(196, 206, 218, 0.92);
    white-space: nowrap;
    pointer-events: auto;
    cursor: pointer;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    touch-action: manipulation;
    transition: color 0.12s ease, background-color 0.12s ease;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-monitor-open-btn:hover,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-monitor-open-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-monitor-open-btn:active,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-monitor-open-btn:active {
    background: rgba(255, 255, 255, 0.12);
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-monitor-open-btn:focus-visible,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-monitor-open-btn:focus-visible {
    outline: 1px solid rgba(72, 167, 255, 0.85);
    outline-offset: -1px;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-monitor-open-btn.mcs-nmea-monitor-open-btn-active,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-monitor-open-btn.mcs-nmea-monitor-open-btn-active {
    background: rgba(72, 140, 200, 0.24);
    color: #d8ecff;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-monitor-open-btn.mcs-nmea-monitor-open-btn-active::after,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-monitor-open-btn.mcs-nmea-monitor-open-btn-active::after {
    content: "ON";
    font-size: 0.58em;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #9ed0ff;
    margin-left: 0.2rem;
}

#status-view.mcs-status-nmea-link {
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: rgba(120, 200, 255, 0.45);
    text-underline-offset: 2px;
}

/* ── NMEA UDP Monitor (modeless floating capture log) ── */
.mcs-nmea-monitor {
    position: fixed;
    right: 0.85rem;
    bottom: calc(var(--mcs-status-h, 36px) + 0.65rem);
    z-index: calc(var(--mcs-frame-top-ui-z) + 40);
    width: min(920px, calc(100vw - 1.7rem));
    height: min(360px, calc(100vh - var(--mcs-status-h, 36px) - 5rem));
    pointer-events: none;
    box-sizing: border-box;
}

/* HUD frame — full center column width, bottom dock (height fits content) */
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor {
    left: var(--mcs-frame-col-left);
    right: var(--mcs-frame-col-right);
    width: auto;
    top: auto;
    bottom: calc(var(--mcs-frame-bottom-chrome) + 0.35rem);
    height: auto;
    max-height: min(
        calc(100vh - var(--mcs-frame-top-chrome) - var(--mcs-frame-bottom-chrome) - 0.75rem),
        42vh
    );
    margin: 0 auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-panel {
    height: auto;
    max-height: min(
        calc(100vh - var(--mcs-frame-top-chrome) - var(--mcs-frame-bottom-chrome) - 0.75rem),
        42vh
    );
    overflow-y: auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-collapsed .mcs-nmea-monitor-panel {
    max-height: none;
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-collapsed {
    max-height: none;
}

.mcs-nmea-monitor[hidden] {
    display: none !important;
}

.mcs-nmea-monitor-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(90, 110, 140, 0.55);
    border-radius: 8px;
    background: #1a1d24;
    color: #d8dee9;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    pointer-events: auto;
    opacity: var(--mcs-panel-fade-opacity, 0.42);
    transition: opacity 0.18s ease;
    position: relative;
}

.mcs-nmea-monitor-body {
    display: grid;
    grid-template-rows: 1fr;
    min-height: 0;
    transition: grid-template-rows 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.mcs-nmea-monitor-body-inner {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.mcs-nmea-monitor-collapsed .mcs-nmea-monitor-body {
    grid-template-rows: 0fr;
}

.mcs-nmea-monitor-collapsed .mcs-nmea-monitor-toolbar {
    border-bottom-color: transparent;
}

.mcs-nmea-monitor-btn-expand {
    min-width: 1.55rem;
    padding: 0.28rem 0.38rem;
    font-size: 0.9rem;
    line-height: 1;
}

.mcs-nmea-monitor-btn-expand[aria-expanded="true"] {
    color: rgba(190, 220, 255, 0.95);
}

.mcs-nmea-monitor-wide {
    width: min(1320px, calc(100vw - 2rem)) !important;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-wide {
    left: 50% !important;
    right: auto !important;
    width: min(1680px, calc(100vw - 1.5rem)) !important;
    transform: translateX(-50%);
    margin-left: 0;
    margin-right: 0;
}

.mcs-nmea-monitor-btn-wide {
    min-width: 2.15rem;
    padding: 0.28rem 0.34rem;
    font-size: 0.68rem;
    font-family: Consolas, "Courier New", monospace;
    letter-spacing: -0.05em;
    line-height: 1;
}

.mcs-nmea-monitor-btn-wide.mcs-nmea-monitor-btn-active {
    color: rgba(190, 220, 255, 0.95);
    border-color: rgba(120, 170, 230, 0.55);
    background: rgba(60, 90, 130, 0.35);
}

@media (prefers-reduced-motion: reduce) {
    .mcs-nmea-monitor-body {
        transition: none;
    }
}

.mcs-nmea-monitor-panel:hover,
.mcs-nmea-monitor-panel:focus-within,
.mcs-nmea-monitor-dragging .mcs-nmea-monitor-panel {
    opacity: 1;
}

.mcs-nmea-monitor-dragging .mcs-nmea-monitor-panel {
    transition: none;
}

.mcs-nmea-monitor-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid rgba(90, 110, 140, 0.35);
    background: linear-gradient(180deg, #2a3140 0%, #232936 100%);
    cursor: grab;
    touch-action: none;
    user-select: none;
}

.mcs-nmea-monitor-dragging .mcs-nmea-monitor-toolbar {
    cursor: grabbing;
}

/* ── 송신 포맷 탭 (NMEA / Furuno CIF / C-LORAN) ── */
.mcs-nmea-monitor-tabs {
    display: flex;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.3rem 0.6rem 0;
    background: #232936;
    border-bottom: 1px solid rgba(90, 110, 140, 0.35);
}

.mcs-nmea-monitor-tab {
    appearance: none;
    border: 1px solid rgba(120, 140, 170, 0.3);
    border-bottom: none;
    border-radius: 5px 5px 0 0;
    padding: 0.32rem 0.7rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: rgba(180, 195, 215, 0.78);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: color 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.mcs-nmea-monitor-tab:hover {
    color: rgba(214, 230, 250, 0.95);
    background: rgba(255, 255, 255, 0.07);
}

.mcs-nmea-monitor-tab-active {
    color: #eaf4ff;
    background: linear-gradient(180deg, #34507a 0%, #2a3a55 100%);
    border-color: rgba(120, 170, 230, 0.6);
    box-shadow: inset 0 -2px 0 rgba(110, 180, 255, 0.85);
}

.mcs-nmea-monitor-collapsed .mcs-nmea-monitor-tabs {
    border-bottom-color: transparent;
}

.mcs-nmea-monitor-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    flex: 1 1 auto;
    min-width: 0;
}

.mcs-nmea-monitor-title {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.mcs-nmea-monitor-subtitle {
    font-size: 0.62rem;
    color: rgba(180, 190, 205, 0.75);
}

.mcs-nmea-monitor-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
    cursor: default;
}

.mcs-nmea-monitor-opacity {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    cursor: default;
    min-width: 0;
}

.mcs-nmea-monitor-opacity-label {
    font-size: 0.62rem;
    color: rgba(180, 190, 205, 0.82);
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.mcs-nmea-monitor-opacity-slider {
    width: 88px;
    height: 4px;
    margin: 0;
    accent-color: rgba(94, 179, 255, 0.9);
    cursor: pointer;
}

.mcs-nmea-monitor-opacity-value {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.62rem;
    color: rgba(190, 205, 225, 0.88);
    min-width: 2.2rem;
    text-align: right;
}

.mcs-nmea-monitor-settings {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(8, 10, 14, 0.55);
    backdrop-filter: blur(2px);
}

.mcs-nmea-monitor-settings[hidden] {
    display: none !important;
}

.mcs-nmea-monitor-settings-panel {
    width: min(360px, 100%);
    border: 1px solid rgba(90, 110, 140, 0.55);
    border-radius: 8px;
    background: linear-gradient(180deg, #2a3140 0%, #1f2430 100%);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    padding: 0.85rem 0.9rem 0.9rem;
}

.mcs-nmea-monitor-settings-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.45rem;
}

.mcs-nmea-monitor-settings-title {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.mcs-nmea-monitor-settings-hint {
    margin: 0 0 0.7rem;
    font-size: 0.64rem;
    color: rgba(180, 190, 205, 0.78);
    line-height: 1.35;
}

.mcs-nmea-monitor-settings-field {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    margin-bottom: 0.55rem;
    font-size: 0.66rem;
    color: rgba(200, 210, 222, 0.9);
}

.mcs-nmea-monitor-settings-field input {
    font-family: Consolas, "Courier New", monospace;
    background: rgba(0, 0, 0, 0.28);
    border-color: rgba(90, 110, 140, 0.45);
    color: #e8edf5;
}

.mcs-nmea-monitor-settings-error {
    min-height: 1rem;
    margin-bottom: 0.45rem;
    font-size: 0.64rem;
    color: #ff9f9f;
}

.mcs-nmea-monitor-settings-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.4rem;
}

.mcs-nmea-monitor-btn {
    border: 1px solid rgba(120, 140, 170, 0.45);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    color: #d8dee9;
    font-size: 0.68rem;
    line-height: 1;
    padding: 0.32rem 0.55rem;
    cursor: pointer;
}

.mcs-nmea-monitor-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mcs-nmea-monitor-btn-active {
    border-color: rgba(90, 200, 120, 0.65);
    background: rgba(70, 160, 95, 0.22);
    color: #c9f5d4;
}

.mcs-nmea-monitor-btn-close {
    font-size: 1rem;
    padding: 0.2rem 0.5rem;
}

.mcs-nmea-monitor-status {
    flex-shrink: 0;
    padding: 0.38rem 0.75rem;
    border-bottom: 1px solid rgba(90, 110, 140, 0.25);
    background: rgba(0, 0, 0, 0.22);
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.64rem;
    color: rgba(190, 205, 225, 0.9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-nmea-monitor-table-wrap {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    background: #14171d;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-table-wrap {
    flex: 0 0 auto;
    max-height: 4.5rem;
    min-height: 0;
}

.mcs-nmea-monitor-table {
    width: 100%;
    border-collapse: collapse;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.66rem;
}

.mcs-nmea-monitor-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #252b36;
}

.mcs-nmea-monitor-table th,
.mcs-nmea-monitor-table td {
    padding: 0.28rem 0.45rem;
    border-bottom: 1px solid rgba(70, 85, 110, 0.28);
    text-align: left;
    vertical-align: top;
}

.mcs-nmea-monitor-table th {
    color: rgba(170, 185, 205, 0.95);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.mcs-nmea-monitor-row {
    cursor: pointer;
}

.mcs-nmea-monitor-row:hover {
    background: rgba(70, 120, 200, 0.12);
}

.mcs-nmea-monitor-row-latest {
    background: rgba(60, 190, 110, 0.2);
}

.mcs-nmea-monitor-row-latest:hover {
    background: rgba(60, 190, 110, 0.28);
}

.mcs-nmea-monitor-row-selected {
    background: rgba(70, 120, 200, 0.22);
}

.mcs-nmea-monitor-row-latest.mcs-nmea-monitor-row-selected {
    background: rgba(55, 170, 130, 0.28);
    box-shadow: inset 3px 0 0 rgba(90, 220, 140, 0.8);
}

.mcs-nmea-monitor-row-latest.mcs-nmea-monitor-row-selected:hover {
    background: rgba(55, 170, 130, 0.34);
}

.mcs-nmea-monitor-row-error {
    color: #ffb4b4;
}

.mcs-nmea-monitor-empty td {
    padding: 1.2rem 0.75rem;
    color: rgba(170, 180, 195, 0.8);
    text-align: center;
}

.mcs-nmea-monitor-detail {
    flex: 0 0 38%;
    min-height: 180px;
    max-height: 42%;
    overflow: auto;
    border-top: 1px solid rgba(90, 110, 140, 0.35);
    background: #10131a;
    padding: 0.55rem 0.75rem 0.75rem;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.66rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-detail {
    flex: 0 0 auto;
    min-height: 0;
    max-height: none;
    display: flex;
    flex-direction: column;
    overflow: visible;
    padding: 0.35rem 0.55rem 0.4rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-detail-head {
    flex-shrink: 0;
    margin-bottom: 0.25rem;
    gap: 0.35rem 0.55rem;
    font-size: 0.64rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-detail-meta {
    flex-shrink: 0;
    gap: 0.1rem 0.65rem;
    margin-bottom: 0.25rem;
    font-size: 0.62rem;
    line-height: 1.25;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-detail-error {
    flex-shrink: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-detail-payload {
    flex: 0 0 auto;
    margin: 0;
    overflow-y: auto;
    max-height: calc(3 * 1.35 * 0.66rem + 0.9rem);
    font-size: 0.66rem;
    font-family: inherit;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-toolbar {
    padding: 0.3rem 0.55rem;
    gap: 0.4rem;
    flex-wrap: nowrap;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-subtitle {
    display: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-title-wrap {
    flex-direction: row;
    align-items: center;
    flex: 1 1 auto;
    min-width: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-title {
    font-size: 0.76rem;
    white-space: nowrap;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-opacity-slider {
    width: 72px;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-monitor-status {
    padding: 0.3rem 0.55rem;
    min-height: 1.45rem;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    line-height: 1.35;
}

.mcs-nmea-monitor-detail-empty {
    color: rgba(160, 170, 185, 0.85);
    padding: 0.5rem 0;
}

.mcs-nmea-monitor-detail-head {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.75rem;
    align-items: center;
    margin-bottom: 0.45rem;
    color: #e8eef8;
}

.mcs-nmea-monitor-detail-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem 1rem;
    margin-bottom: 0.45rem;
    color: rgba(190, 200, 215, 0.95);
}

.mcs-nmea-monitor-detail-meta strong {
    color: rgba(140, 165, 200, 0.95);
    font-weight: 600;
    margin-right: 0.35rem;
}

.mcs-nmea-monitor-detail-error {
    color: #ff9f9f;
    margin-bottom: 0.35rem;
}

.mcs-nmea-monitor-detail-payload {
    margin: 0;
    padding: 0.45rem 0.55rem;
    border-radius: 4px;
    border: 1px solid rgba(70, 85, 110, 0.35);
    background: rgba(0, 0, 0, 0.35);
    color: #f2e8a8;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.35;
    font-size: 0.66rem;
    font-family: inherit;
}

.mcs-nmea-monitor-tag {
    display: inline-block;
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.mcs-nmea-monitor-tag-ok {
    background: rgba(70, 160, 95, 0.25);
    color: #9ef0b0;
}

.mcs-nmea-monitor-tag-err {
    background: rgba(180, 70, 70, 0.25);
    color: #ffb0b0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn,
.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn {
    position: fixed;
    top: 0;
    left: calc(var(--mcs-frame-top-nmea-tools-left) + var(--mcs-frame-top-monitor-w));
    right: auto;
    width: var(--mcs-frame-top-nmea-w);
    height: var(--mcs-frame-top-chrome);
    margin: 0;
    padding: 0 0.35rem;
    z-index: var(--mcs-frame-top-ui-z);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0;
    background: rgba(0, 0, 0, 0.1);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: clamp(0.58rem, 0.68vw, 0.7rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    color: rgba(196, 206, 218, 0.92);
    white-space: nowrap;
    pointer-events: auto;
    cursor: pointer;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    touch-action: manipulation;
    transition: color 0.12s ease, background-color 0.12s ease;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn::after,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn::after {
    content: "OFF";
    font-size: 0.58em;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: rgba(160, 168, 178, 0.95);
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn:hover,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn:active,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn:active {
    background: rgba(255, 255, 255, 0.12);
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn:focus-visible,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn:focus-visible {
    outline: 1px solid rgba(72, 167, 255, 0.85);
    outline-offset: -1px;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn.mcs-nmea-simulation-on,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn.mcs-nmea-simulation-on {
    background: rgba(72, 168, 96, 0.22);
    color: #d8f5df;
}

.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-nmea-simulation-btn.mcs-nmea-simulation-on::after,
.mcs-hud-layout.mcs-frame-bg .mcs-nmea-top-tools .mcs-nmea-simulation-btn.mcs-nmea-simulation-on::after {
    content: "ON";
    color: #8ef0a8;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs {
    display: grid;
    /* Split container by ref ratio — 3D 44px, 2D 54px @1266; never use --globe*w (viewport %) here */
    grid-template-columns:
        calc(100% * var(--mcs-frame-top-globe3d-ref-w) / var(--mcs-frame-top-map-toggle-ref-w))
        calc(100% * var(--mcs-frame-top-globe2d-ref-w) / var(--mcs-frame-top-map-toggle-ref-w));
    width: 100%;
    height: 100%;
    gap: 0;
    margin: 0;
    padding: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-item {
    display: flex;
    min-width: 0;
    height: 100%;
    margin: 0;
    border-left: 1px solid var(--mcs-frame-top-well-border);
    background: var(--mcs-frame-top-well-bg);
    overflow: hidden;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-item:last-child {
    background: var(--mcs-frame-top-well-bg);
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-item:first-child {
    border-left: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-item:first-child .nav-link {
    padding-left: 0.05rem;
    padding-right: 0.08rem;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-width: 0;
    margin: 0;
    padding: 0 0.1rem;
    border: none;
    border-radius: 0;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    font-size: clamp(0.52rem, 0.58vw, 0.66rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.01em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: transparent;
    backdrop-filter: none;
    color: rgba(196, 206, 218, 0.92);
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-idle);
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-view-toggle-tabs .nav-link.active {
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-active);
}

/* Fullscreen — top-right corner (separate from 3D/2D toggle group) */
.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-container {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    bottom: auto;
    width: var(--mcs-frame-top-fullscreen-w);
    height: var(--mcs-frame-top-chrome);
    z-index: calc(var(--mcs-frame-top-ui-z) + 4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--mcs-frame-top-well-border);
    border-right: none;
    box-sizing: border-box;
    background: var(--mcs-frame-top-well-bg);
    overflow: hidden;
    pointer-events: auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-settings {
    position: fixed;
    top: 0;
    right: var(--mcs-frame-top-fullscreen-w);
    left: auto;
    width: var(--mcs-frame-top-settings-w);
    height: var(--mcs-frame-top-chrome);
    z-index: calc(var(--mcs-frame-top-ui-z) + 4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--mcs-frame-top-well-border);
    box-sizing: border-box;
    background: var(--mcs-frame-top-well-bg);
    pointer-events: auto;
}

.mcs-frame-top-settings-btn {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: rgba(196, 206, 218, 0.92);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-idle);
    transition:
        color 0.12s ease,
        background-color 0.12s ease,
        box-shadow 0.12s ease;
}

.mcs-frame-top-settings-btn:hover,
.mcs-frame-top-settings-btn:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-settings-btn.is-active,
.mcs-hud-layout.mcs-frame-bg .mcs-frame-top-settings-btn[aria-expanded="true"] {
    color: #fff;
    background: rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-active);
}

.mcs-frame-top-settings-icon {
    width: clamp(14px, 1.05vw, 18px);
    height: clamp(14px, 1.05vw, 18px);
    display: block;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-container[hidden] {
    display: none !important;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-button {
    border: none;
    border-radius: 0;
    background: transparent;
    color: rgba(196, 206, 218, 0.92);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-idle);
    transition:
        color 0.12s ease,
        background-color 0.12s ease,
        box-shadow 0.12s ease;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-button .mcs-fullscreen-icon {
    width: clamp(14px, 1.05vw, 18px);
    height: clamp(14px, 1.05vw, 18px);
    fill: none;
    stroke: currentColor;
    color: inherit;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-button:hover,
.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-button:focus {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.mcs-hud-layout.mcs-frame-bg .mcs-map-fullscreen-button.mcs-fullscreen-active {
    color: #fff;
    background: rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 -2px 0 var(--mcs-frame-top-slot-bar-active);
}

/* Starlink — top title bar well (overlay ref x=236–476, flush after brand) */
.mcs-hud-layout.mcs-frame-bg .mcs-ui-center .mcs-map-controls {
    position: fixed;
    top: 0;
    left: var(--mcs-frame-top-starlink-left);
    right: auto;
    bottom: auto;
    width: var(--mcs-frame-top-starlink-w);
    max-width: var(--mcs-frame-top-starlink-w);
    height: var(--mcs-frame-top-chrome);
    max-height: var(--mcs-frame-top-chrome);
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    flex-direction: row;
    gap: 0;
    z-index: var(--mcs-frame-top-ui-z);
    pointer-events: none;
    overflow: hidden;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-controls {
    position: relative;
    top: auto;
    left: auto;
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    height: 100%;
    max-height: 100%;
    box-sizing: border-box;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: clamp(0.4rem, 0.65vw, 0.6rem);
    max-width: 100%;
    padding: 0 clamp(0.28rem, 0.42vw, 0.45rem) 0 clamp(0.18rem, 0.28vw, 0.32rem);
    margin: 0;
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
    font-size: clamp(0.64rem, 0.74vw, 0.76rem);
    white-space: nowrap;
    overflow: hidden;
    pointer-events: auto;
}

.mcs-hud-layout.mcs-frame-bg .mcs-earth-spin-top-control {
    position: relative;
    flex: 0 0 auto;
    height: 100%;
    display: flex;
    align-items: stretch;
    pointer-events: auto;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    background: transparent;
}

.mcs-hud-layout.mcs-frame-bg .mcs-earth-spin-top-control[hidden] {
    display: none !important;
}

.mcs-hud-layout.mcs-frame-bg .mcs-earth-spin-top-btn {
    height: 100%;
    min-width: 4.35rem;
    padding: 0 clamp(0.35rem, 0.5vw, 0.55rem);
    border-radius: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-toggle {
    flex: 0 1 auto;
    min-width: 0;
    white-space: nowrap;
    gap: 0.35rem;
    font-size: inherit;
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-toggle input[type="checkbox"] {
    width: 0.78rem;
    height: 0.78rem;
    margin: 0;
    flex-shrink: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-toggle span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-status {
    flex-shrink: 0;
    font-size: clamp(0.58rem, 0.66vw, 0.68rem);
    color: rgba(176, 188, 204, 0.88);
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-status.is-error {
    color: #ff6b6b;
}

/* Lat/Lon grid — map overlay (Starlink legend 좌측과 겹치지 않게 중앙 지도 우상단) */
.mcs-hud-layout.mcs-frame-bg .mcs-globe-graticule-controls {
    position: fixed;
    top: calc(var(--mcs-frame-top-chrome) + 0.7rem);
    left: auto;
    right: var(--mcs-rail-overlay-right);
    bottom: auto;
    z-index: var(--mcs-frame-top-ui-z);
    flex: none;
    width: max-content;
    min-width: 7.35rem;
    max-width: none;
    padding: 0.42rem 0.72rem;
    margin: 0;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.72);
    border: 1px solid var(--mcs-border);
    font-size: clamp(0.72rem, 0.82vw, 0.82rem);
    white-space: nowrap;
    pointer-events: auto;
    transition: right var(--mcs-ref-panel-slide-ms) cubic-bezier(0.22, 1, 0.36, 1);
}

.mcs-hud-layout.mcs-frame-bg .mcs-globe-graticule-toggle {
    width: 100%;
    justify-content: flex-start;
    gap: 0.45rem;
    font-size: inherit;
}

.mcs-hud-layout.mcs-frame-bg .mcs-globe-graticule-toggle input[type="checkbox"] {
    width: 0.82rem;
    height: 0.82rem;
    margin: 0;
    flex-shrink: 0;
}

.mcs-hud-layout.mcs-frame-bg .mcs-starlink-legend {
    position: fixed;
    top: calc(var(--mcs-frame-top-chrome) + 0.25rem);
    left: var(--mcs-frame-top-starlink-left);
    right: auto;
    bottom: auto;
    max-width: min(18rem, var(--mcs-frame-top-starlink-w));
    z-index: calc(var(--mcs-frame-top-ui-z) - 1);
}

.mcs-hud-layout.mcs-frame-bg .mcs-eci-legend-drawer,
.mcs-hud-layout .mcs-eci-legend-drawer {
    z-index: 3;
    transition: left var(--mcs-rail-transition, 0.28s ease);
}

.mcs-hud-layout.mcs-frame-bg .mcs-eci-legend-drawer {
    left: var(--mcs-eci-legend-left-collapsed);
    bottom: var(--mcs-status-h);
}

.mcs-hud-layout.mcs-frame-bg[data-left-rail-open="true"] .mcs-eci-legend-drawer {
    left: var(--mcs-eci-legend-left-open);
}

.mcs-hud-layout:not(.mcs-frame-bg) .mcs-eci-legend-drawer {
    left: calc(var(--mcs-rail-tab-w) + 0.5rem);
    bottom: calc(var(--mcs-status-h, 28px) + 8px);
}

.mcs-hud-layout .mcs-statusbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--mcs-frame-ui-z, 25);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: nowrap;
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.92);
    border-top: 1px solid var(--mcs-hud-panel-border);
}

.mcs-hud-layout .mcs-ui-layer,
.mcs-hud-layout .mcs-main {
    grid-template-columns:
        minmax(var(--mcs-hud-side-min), var(--mcs-hud-side-fr))
        minmax(0, 1fr)
        minmax(var(--mcs-hud-side-min), var(--mcs-hud-side-fr));
    min-height: 0;
    height: 100%;
}

.mcs-hud-layout .mcs-panel-left {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    height: 100%;
    width: 100%;
    overflow-x: hidden;
    border-right: 1px solid var(--mcs-hud-panel-border);
    background: var(--mcs-hud-panel-bg);
}

.mcs-hud-layout .mcs-panel-left .mcs-panel-header {
    background: rgba(0, 0, 0, 0.28);
    flex-shrink: 0;
}

.mcs-hud-layout .mcs-map-layer .mcs-tab-content {
    position: absolute;
    inset: 0;
    min-height: 0;
    min-width: 0;
    display: block;
    padding: 0;
}

.mcs-hud-layout .mcs-map-layer .mcs-tab-content .tab-pane.active,
.mcs-hud-layout .mcs-map-layer .mcs-tab-content .tab-pane.show {
    position: absolute;
    inset: 0;
    display: block !important;
    min-width: 0;
    min-height: 0;
    width: 100%;
    height: 100%;
}

.mcs-hud-layout .mcs-map-fill {
    position: absolute;
    inset: 0;
    flex: none;
    min-width: 0;
    min-height: 0;
    width: 100% !important;
    height: 100% !important;
    max-width: none;
    max-height: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
    overflow: hidden;
    background: #000;
}

.mcs-hud-layout #tab-3d.active,
.mcs-hud-layout #tab-3d.show,
.mcs-hud-layout #tab-2d.active,
.mcs-hud-layout #tab-2d.show {
    position: absolute;
    inset: 0;
    display: block !important;
    min-height: 0;
}

.mcs-hud-layout #ol-container .ol-viewport {
    border-radius: 0;
}

.mcs-hud-layout .mcs-rail-map-tabs {
    display: none;
}

.mcs-display-stage {
    position: relative;
    width: var(--mcs-hud-diameter);
    height: var(--mcs-hud-diameter);
    max-width: 100%;
    max-height: 100%;
    flex: 0 0 auto;
}

.mcs-display-hud {
    position: absolute;
    inset: -10px;
    z-index: 3;
    pointer-events: none;
    color: var(--mcs-hud-ring-color);
}

.mcs-display-hud-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.mcs-map-circle {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    flex: 0 0 auto !important;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid rgba(94, 179, 255, 0.48);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.85),
        0 0 48px rgba(74, 127, 181, 0.14),
        inset 0 0 72px rgba(0, 0, 0, 0.28);
    background: #000;
}

.mcs-hud-layout .mcs-right-rail {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    height: 100%;
    width: 100%;
    background: var(--mcs-hud-panel-bg);
}

.mcs-hud-layout .mcs-right-rail:not(.is-open):not(.is-pinned) {
    width: 100%;
}

.mcs-hud-layout .mcs-rail-panels {
    width: auto;
    flex: 1;
    min-width: 0;
}

.mcs-hud-layout .mcs-rail-topbar {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 0.55rem 0.65rem;
    border-bottom: 1px solid var(--mcs-hud-panel-border);
    background: rgba(0, 0, 0, 0.35);
    flex-shrink: 0;
}

.mcs-hud-layout .mcs-rail-topbar .mcs-brand {
    gap: 0.55rem;
}

.mcs-hud-layout .mcs-rail-topbar .mcs-brand strong {
    font-size: 0.82rem;
    line-height: 1.2;
}

.mcs-hud-layout .mcs-rail-topbar .mcs-brand small {
    font-size: 0.62rem;
}

.mcs-hud-layout .mcs-rail-topbar .mcs-topbar-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
}

.mcs-hud-layout .mcs-rail-topbar .mcs-earth-spin-control,
.mcs-hud-layout .mcs-rail-topbar .mcs-sim-time {
    justify-content: space-between;
    font-size: 0.76rem;
}

.mcs-hud-layout .mcs-rail-topbar #sim-time-display {
    min-width: 0;
    font-size: 0.72rem;
}

.mcs-hud-layout .mcs-rail-body {
    display: flex;
    flex-direction: row-reverse;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.mcs-hud-layout .mcs-right-rail:not(.is-open):not(.is-pinned) .mcs-rail-topbar {
    display: none;
}

.mcs-hud-layout .mcs-rail-tabs {
    background: rgba(8, 12, 22, 0.92);
    border-left: 1px solid var(--mcs-hud-panel-border);
    overflow: hidden;
}

.mcs-hud-layout #ol-container.mcs-ecdis-chart-mode {
    box-shadow: none;
}

@media (max-width: 768px) {
    .mcs-hud-layout .mcs-ui-layer,
    .mcs-hud-layout .mcs-main {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .mcs-hud-layout .mcs-panel-left {
        display: none;
    }
}

#ol-container .ol-viewport {
    border-radius: 0;
    background: #000000;
}

#ol-container:not(.mcs-ecdis-chart-mode) .ol-layer.mcs-ol-basemap-space canvas {
    filter: brightness(0.17) saturate(0.22) contrast(1.25);
}

#ol-container.mcs-ecdis-chart-mode {
    background: rgb(198, 234, 255);
    box-shadow:
        inset 0 0 0 2px #111318,
        inset 0 0 0 3px #2c3038;
}

#ol-container.mcs-ecdis-chart-mode .ol-viewport canvas {
    background: rgb(198, 234, 255);
}

#ol-container.mcs-ecdis-chart-mode .mcs-ol-cursor-hud {
    border-color: rgba(90, 96, 108, 0.65);
    background: rgba(18, 20, 24, 0.94);
}

#ol-container.mcs-ecdis-chart-mode .mcs-ol-cursor-hud-title {
    color: rgba(180, 186, 196, 0.95);
}

#ol-container.mcs-ecdis-chart-mode .mcs-ol-cursor-hud-coords {
    color: #f2e8a8;
}

#ol-container.mcs-ecdis-chart-mode .mcs-ol-cursor-hud-grid {
    color: rgba(210, 200, 150, 0.9);
}

#ol-container.mcs-ecdis-chart-mode .ol-control button {
    background-color: rgba(22, 24, 28, 0.92);
    color: #e8ecf0;
    border-color: rgba(90, 96, 108, 0.8);
}

/* ECDIS bridge chrome — Marineworks-style overlay */
.mcs-ecdis-chrome {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    font-family: "Segoe UI", Tahoma, sans-serif;
}

.mcs-ecdis-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 28px;
    padding: 0 0.55rem;
    background: linear-gradient(180deg, #2a2e36 0%, #1a1d24 100%);
    border-bottom: 1px solid #0d0f12;
    color: #c8cdd4;
    font-size: 0.68rem;
}

.mcs-ecdis-tabs {
    display: flex;
    gap: 0.35rem;
}

.mcs-ecdis-tab {
    padding: 0.15rem 0.55rem;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(200, 205, 212, 0.85);
}

.mcs-ecdis-tab-active {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-weight: 600;
}

.mcs-ecdis-topbar-status {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.mcs-ecdis-badge {
    padding: 0.05rem 0.35rem;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.62rem;
    letter-spacing: 0.03em;
}

.mcs-ecdis-mode {
    padding: 0.05rem 0.4rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    font-size: 0.62rem;
}

.mcs-ecdis-clock {
    min-width: 11.5rem;
    text-align: right;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.66rem;
    color: #fff;
}

.mcs-ecdis-nav-panel {
    position: absolute;
    top: 28px;
    right: 0;
    width: 168px;
    bottom: 26px;
    padding: 0.35rem 0.45rem;
    background: rgba(16, 18, 22, 0.94);
    border-left: 1px solid rgba(70, 76, 88, 0.75);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.mcs-ecdis-alert-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.25rem 0.15rem 0.35rem;
    margin-bottom: 0.15rem;
    border-bottom: 1px solid rgba(70, 76, 88, 0.45);
    font-size: 0.58rem;
    color: rgba(180, 186, 196, 0.9);
}

.mcs-ecdis-alert-icons {
    color: #e04040;
    font-size: 0.75rem;
}

.mcs-ecdis-nav-row {
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    align-items: center;
    gap: 0.25rem;
    min-height: 1.55rem;
    padding: 0.12rem 0.2rem;
    background: rgba(28, 32, 38, 0.85);
    border-radius: 2px;
}

.mcs-ecdis-nav-row.mcs-ecdis-nav-posn {
    grid-template-columns: 2.4rem 1fr;
    align-items: start;
    padding-bottom: 0.35rem;
}

.mcs-ecdis-nav-label {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    color: rgba(160, 168, 178, 0.95);
}

.mcs-ecdis-nav-value {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.82rem;
    font-weight: 600;
    color: #00e676;
    text-align: right;
    line-height: 1.25;
}

.mcs-ecdis-posn-lines {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.05rem;
}

.mcs-ecdis-posn-lines .mcs-ecdis-nav-value {
    font-size: 0.72rem;
}

.mcs-ecdis-toolbox {
    position: absolute;
    top: 36px;
    left: 0;
    width: 34px;
    padding: 0.35rem 0.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    background: rgba(16, 18, 22, 0.88);
    border-right: 1px solid rgba(70, 76, 88, 0.55);
    font-size: 0.48rem;
    letter-spacing: 0.02em;
    text-align: center;
    color: rgba(180, 186, 196, 0.85);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
}

.mcs-ecdis-tool {
    padding: 0.25rem 0;
}

.mcs-ecdis-bottombar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 26px;
    padding: 0 0.55rem;
    background: #0a0b0e;
    border-top: 1px solid #1e2228;
    color: rgba(190, 196, 204, 0.92);
    font-size: 0.58rem;
    white-space: nowrap;
    overflow: hidden;
}

.mcs-ecdis-steering {
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.mcs-ecdis-chart-meta {
    color: rgba(170, 176, 186, 0.9);
}

.mcs-ecdis-bottom-actions {
    margin-left: auto;
    display: flex;
    gap: 0.55rem;
    flex-shrink: 0;
}

#ol-container.mcs-ecdis-chart-mode .ol-zoom {
    left: 40px;
    top: auto;
    bottom: 34px;
}

#ol-container {
    position: relative;
    overflow: hidden;
}

/* Cesium-style fullscreen — map corner (non frame-bg HUD) */
.mcs-hud-layout:not(.mcs-frame-bg) .mcs-map-fullscreen-container {
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 8;
    width: 29px;
    height: 29px;
    overflow: hidden;
    pointer-events: auto;
}

.mcs-map-fullscreen-button {
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 0;
    padding: 0;
}

.mcs-map-fullscreen-button .mcs-fullscreen-icon {
    display: block;
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    color: inherit;
}

#ol-container.mcs-ecdis-chart-mode .mcs-map-fullscreen-container {
    bottom: 26px;
}

html.mcs-fullscreen-mode,
html.mcs-fullscreen-mode body.mcs-body {
    overflow: hidden;
}

html.mcs-fullscreen-mode #mcs-app {
    width: 100vw;
    height: 100vh;
}

.mcs-ol-cursor-hud {
    position: absolute;
    top: 10px;
    right: calc(10px + var(--mcs-map-inset-right, 0px));
    z-index: 6;
    min-width: 168px;
    padding: 0.45rem 0.55rem;
    border-radius: 6px;
    border: 1px solid rgba(80, 190, 255, 0.4);
    background: rgba(8, 14, 28, 0.88);
    backdrop-filter: blur(4px);
    font-size: 0.68rem;
    line-height: 1.4;
    color: var(--mcs-text);
    pointer-events: none;
    user-select: none;
    transition: right var(--mcs-ref-panel-slide-ms, 0.38s) cubic-bezier(0.22, 1, 0.36, 1);
}

.mcs-ol-cursor-hud-title {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(140, 180, 220, 0.9);
    margin-bottom: 0.15rem;
}

.mcs-ol-cursor-hud-coords {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.72rem;
    color: #e8f4ff;
}

.mcs-ol-cursor-hud-grid {
    margin-top: 0.15rem;
    color: rgba(120, 200, 255, 0.95);
    font-size: 0.66rem;
}

.mcs-cursor-cross-overlay {
    position: absolute;
    inset: 0;
    z-index: 6;
    pointer-events: none;
    overflow: hidden;
}

.mcs-cursor-cross-overlay[hidden] {
    display: none !important;
}

.mcs-cursor-cross-line-h,
.mcs-cursor-cross-line-v {
    position: absolute;
    pointer-events: none;
    will-change: transform;
}

.mcs-cursor-cross-line-h {
    left: 0;
    right: 0;
    top: 0;
    height: 0;
    border-top: 1.5px dashed var(--mcs-theme-nmea-cursor-cross, rgba(80, 190, 255, 0.9));
}

.mcs-cursor-cross-line-v {
    top: 0;
    bottom: 0;
    left: 0;
    width: 0;
    border-left: 1.5px dashed var(--mcs-theme-nmea-cursor-cross, rgba(80, 190, 255, 0.9));
}

#ol-container.mcs-ecdis-chart-mode .mcs-cursor-cross-line-h {
    border-top-width: 1px;
    border-top-color: var(--mcs-theme-enc-crosshair, rgba(210, 45, 175, 0.75));
}

#ol-container.mcs-ecdis-chart-mode .mcs-cursor-cross-line-v {
    border-left-width: 1px;
    border-left-color: var(--mcs-theme-enc-crosshair, rgba(210, 45, 175, 0.75));
}

.mcs-enc-cursor-label {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 7;
    padding: 0.28rem 0.45rem;
    border-radius: 4px;
    border: 1px solid rgba(90, 96, 108, 0.75);
    background: rgba(18, 20, 24, 0.92);
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.82rem;
    line-height: 1.25;
    will-change: transform;
    color: var(--mcs-theme-enc-cursor-label, #f2e8a8);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    will-change: transform;
}

#ol-container.mcs-map-cursor-overlay .mcs-ol-cursor-hud {
    display: none !important;
}

#ol-container.mcs-enc-chart-mode .mcs-enc-cursor-label,
#ol-container.mcs-ecdis-chart-mode .mcs-enc-cursor-label,
#ol-container.mcs-map-cursor-overlay .mcs-enc-cursor-label {
    border-color: rgba(70, 78, 92, 0.85);
    background: rgba(12, 14, 18, 0.94);
    font-size: 0.7rem;
    letter-spacing: 0.01em;
}

.mcs-enc-nav-panel {
    position: absolute;
    top: calc(var(--mcs-map-inset-top, 50px) + 0.35rem);
    right: calc(var(--mcs-map-inset-right, 0px) + 0.45rem);
    z-index: 8;
    width: 318px;
    min-width: 318px;
    box-sizing: border-box;
    padding: 0;
    background: rgba(14, 16, 20, 0.96);
    border: 1px solid rgba(58, 64, 76, 0.9);
    border-radius: 0;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.42);
    display: flex;
    flex-direction: column;
    overflow: visible;
    pointer-events: auto;
    user-select: none;
    opacity: 0.42;
    transition:
        opacity 0.18s ease,
        right var(--mcs-ref-panel-slide-ms, 0.38s) cubic-bezier(0.22, 1, 0.36, 1);
}

.mcs-enc-nav-panel:hover,
.mcs-enc-nav-panel:focus-within {
    opacity: 1;
}

.mcs-enc-nav-panel[hidden] {
    display: none !important;
}

.mcs-enc-nav-row {
    display: grid;
    grid-template-columns: 2.55rem 5rem 1fr;
    align-items: center;
    gap: 0.35rem 0.55rem;
    min-height: 1.78rem;
    padding: 0.36rem 0.62rem;
    border-bottom: 1px solid rgba(58, 64, 76, 0.72);
    background: rgba(18, 20, 24, 0.98);
    box-sizing: border-box;
}

.mcs-enc-nav-row:last-child {
    border-bottom: none;
}

.mcs-enc-nav-row.mcs-enc-nav-row-posn {
    grid-template-columns: 2.55rem 1fr;
    align-items: stretch;
    gap: 0;
    min-height: 0;
    padding: 0;
}

.mcs-enc-nav-row-posn > .mcs-enc-nav-label {
    align-self: center;
    padding-left: 0.62rem;
}

.mcs-enc-nav-posn-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.mcs-enc-nav-posn-subrow {
    display: grid;
    grid-template-columns: 5rem 1fr;
    align-items: center;
    gap: 0.55rem;
    min-height: 1.78rem;
    padding: 0.36rem 0.62rem 0.36rem 0;
    box-sizing: border-box;
    border-bottom: 1px solid rgba(58, 64, 76, 0.72);
}

.mcs-enc-nav-posn-subrow:last-child {
    border-bottom: none;
}

.mcs-enc-nav-posn-subrow .mcs-enc-nav-datum {
    padding-left: 0.38rem;
}

.mcs-enc-nav-label {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: rgba(176, 184, 196, 0.95);
    text-transform: uppercase;
    line-height: 1.2;
    align-self: center;
}

.mcs-enc-nav-source {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    width: 100%;
    box-sizing: border-box;
    padding: 0.16rem 0.34rem 0.16rem 0.38rem;
    border: 1px solid rgba(72, 80, 94, 0.85);
    border-radius: 2px;
    background: rgba(8, 10, 14, 0.92);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: rgba(210, 216, 226, 0.95);
    line-height: 1.2;
    white-space: nowrap;
    justify-self: start;
}

.mcs-enc-nav-source::after {
    content: "▾";
    font-size: 0.52rem;
    color: rgba(160, 168, 180, 0.9);
    line-height: 1;
}

.mcs-enc-nav-source-col {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    width: 100%;
    justify-self: start;
}

.mcs-enc-nav-datum {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: rgba(176, 184, 196, 0.95);
    text-transform: uppercase;
    padding-left: 0.1rem;
    line-height: 1.2;
}

.mcs-enc-nav-value {
    display: block;
    width: 100%;
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: #00e676;
    text-align: right;
    line-height: 1.2;
    white-space: nowrap;
    justify-self: stretch;
    overflow: visible;
}

.mcs-enc-nav-posn-line {
    display: grid;
    grid-template-columns: 1.85rem 1fr;
    align-items: center;
    column-gap: 0.5rem;
    width: 100%;
}

.mcs-enc-nav-posn-tag {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: rgba(176, 184, 196, 0.95);
    text-transform: uppercase;
    text-align: right;
    line-height: 1.2;
}

.mcs-enc-nav-value-coord {
    font-size: 0.74rem;
    font-family: Consolas, "Courier New", monospace;
    letter-spacing: 0.01em;
    text-align: right;
    font-weight: 600;
}

.mcs-enc-nav-row-measure {
    align-items: center;
}

.mcs-enc-nav-measure-modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.22rem;
    width: 100%;
    justify-self: start;
}

.mcs-enc-nav-measure-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 100%;
    min-height: 1.28rem;
    border: 1px solid rgba(255, 138, 42, 0.45);
    border-radius: 2px;
    background: rgba(0, 0, 0, 0.28);
    color: rgba(220, 228, 238, 0.88);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.2;
    padding: 0.16rem 0.34rem;
    cursor: pointer;
}

.mcs-enc-nav-measure-btn:hover {
    background: rgba(255, 138, 42, 0.12);
    color: rgba(255, 236, 210, 0.96);
}

.mcs-enc-nav-measure-btn.active {
    border-color: rgba(255, 138, 42, 0.85);
    background: rgba(255, 138, 42, 0.22);
    color: rgba(255, 244, 228, 0.98);
}

.mcs-enc-nav-measure-summary {
    font-size: 0.6rem;
    font-family: Consolas, "Courier New", monospace;
    color: rgba(255, 210, 160, 0.92);
    text-align: right;
    line-height: 1.25;
    white-space: normal;
}

#ol-container.mcs-nmea-simulation-active .mcs-enc-cursor-label {
    font-size: 0.64rem;
    letter-spacing: 0;
    white-space: nowrap;
    max-width: min(440px, calc(100vw - var(--mcs-map-inset-right, 0px) - 2rem));
}

#ol-container.mcs-nmea-simulation-active.mcs-nmea-measure-dragging,
#ol-container.mcs-nmea-simulation-active.mcs-nmea-measure-dragging .ol-viewport,
#ol-container.mcs-nmea-measure-active.mcs-nmea-measure-dragging,
#ol-container.mcs-nmea-measure-active.mcs-nmea-measure-dragging .ol-viewport {
    cursor: grabbing !important;
}

.mcs-measure-rail-body {
    display: flex;
    flex-direction: column;
    min-height: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-measure-rail-body .mcs-measure-list,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-measure-rail-body .mcs-measure-list {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.mcs-hud-layout.mcs-frame-bg #left-rail.is-open .mcs-measure-rail-body .mcs-measure-list-item,
.mcs-hud-layout.mcs-frame-bg #left-rail.is-pinned .mcs-measure-rail-body .mcs-measure-list-item {
    width: 100%;
    box-sizing: border-box;
}

.mcs-measure-rail-body .mcs-measure-list {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    flex: 1 1 auto;
    min-height: 0;
}

.mcs-measure-rail-body .mcs-measure-list-item {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    align-items: center;
    gap: 0.42rem;
    min-height: 2rem;
    padding: 0.36rem 0.45rem 0.36rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
}

.mcs-measure-rail-body .mcs-measure-list-item.is-selected {
    background: var(--mcs-theme-measure-list-row-selected, rgba(86, 156, 255, 0.24));
    box-shadow: inset 3px 0 0 0 rgba(120, 184, 255, 0.95);
}

.mcs-measure-rail-body .mcs-measure-list-item.is-odd {
    background: var(--mcs-theme-measure-list-row-odd, rgba(255, 255, 255, 0.028));
}

.mcs-measure-rail-body .mcs-measure-list-item.is-even {
    background: var(--mcs-theme-measure-list-row-even, rgba(255, 255, 255, 0.065));
}

.mcs-measure-rail-body .mcs-measure-list-seq {
    box-sizing: border-box;
    min-width: 1.45rem;
    height: 1.45rem;
    padding: 0 0.24rem;
    border-radius: 0.34rem;
    border: 1px solid var(--mcs-theme-measure-list-seq-border, rgba(88, 94, 108, 0.82));
    background: var(--mcs-theme-measure-list-seq-bg, rgba(18, 20, 26, 0.94));
    font-size: 0.76rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--mcs-theme-measure-list-seq, rgba(214, 220, 232, 0.96));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex-shrink: 0;
    justify-self: start;
}

.mcs-measure-rail-body .mcs-measure-list-type {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--mcs-theme-measure-list-type, rgba(255, 138, 42, 0.92));
}

.mcs-measure-rail-body .mcs-measure-list-label {
    font-size: 0.82rem;
    font-family: Consolas, "Courier New", monospace;
    color: var(--mcs-theme-measure-list-label, rgba(255, 210, 160, 0.92));
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-measure-rail-body [data-measure-list-count] {
    font-size: 0.82rem;
}

.mcs-measure-rail-body .mcs-measure-list-remove {
    width: 1.35rem;
    height: 1.35rem;
    padding: 0;
    border: 1px solid rgba(88, 94, 108, 0.85);
    border-radius: 0;
    background: rgba(28, 30, 36, 0.95);
    color: rgba(220, 224, 232, 0.88);
    font-size: 0.95rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mcs-measure-rail-body .mcs-measure-list-item:last-child {
    border-bottom: none;
}

.mcs-measure-rail-body .mcs-measure-list-remove:hover {
    border-color: rgba(255, 96, 96, 0.85);
    background: rgba(120, 28, 28, 0.35);
    color: rgba(255, 220, 220, 0.98);
}

/* Legacy floating measure panel — replaced by left rail DIST pane */
.mcs-measure-list-panel {
    display: none !important;
}

/* NMEA Simulation — 화면 중앙 360° 각도계 (레이더 PPI 스타일) */
.mcs-nmea-protractor {
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    overflow: hidden;
}

.mcs-nmea-protractor[hidden] {
    display: none !important;
}

.mcs-nmea-protractor-svg {
    display: block;
    width: 100%;
    height: 100%;
}

.mcs-nmea-protractor-range-ring {
    fill: none;
    stroke: rgba(72, 78, 88, 0.38);
    stroke-width: 0.85;
}

.mcs-nmea-protractor-ring {
    fill: none;
    stroke: rgba(72, 78, 88, 0.62);
    stroke-width: 1.2;
}

.mcs-nmea-protractor-spoke {
    stroke: rgba(88, 94, 104, 0.38);
    stroke-width: 0.65;
}

.mcs-nmea-protractor-spoke-major {
    stroke: rgba(72, 78, 88, 0.55);
    stroke-width: 0.9;
}

.mcs-nmea-protractor-tick-minor {
    stroke: rgba(95, 102, 112, 0.58);
    stroke-width: 0.55;
}

.mcs-nmea-protractor-tick-medium {
    stroke: rgba(82, 89, 99, 0.72);
    stroke-width: 0.75;
}

.mcs-nmea-protractor-tick-major {
    stroke: rgba(68, 75, 85, 0.82);
    stroke-width: 1;
}

.mcs-nmea-protractor-tick-label-base {
    stroke: rgba(58, 65, 75, 0.9);
    stroke-width: 1.15;
}

.mcs-nmea-protractor-label {
    fill: rgba(52, 58, 68, 0.88);
    font-family: Consolas, "Courier New", monospace;
    font-size: 10px;
    font-weight: 600;
    text-anchor: middle;
    dominant-baseline: middle;
    stroke: none;
    paint-order: normal;
}

.mcs-nmea-protractor-label-north {
    fill: rgba(168, 92, 18, 0.95);
    font-size: 10px;
    stroke: none;
}

.mcs-nmea-protractor-north-mark {
    fill: rgba(255, 168, 72, 0.95);
    stroke: rgba(255, 220, 160, 0.6);
    stroke-width: 0.8;
}

.mcs-nmea-protractor-cog-line {
    stroke: rgba(255, 255, 255, 0.92);
    stroke-width: 1.35;
    stroke-linecap: round;
    pointer-events: none;
}

.mcs-nmea-protractor-cog-gauge {
    fill: rgba(255, 132, 48, 0.96);
    stroke: rgba(255, 210, 150, 0.85);
    stroke-width: 0.65;
    pointer-events: none;
}

.mcs-nmea-protractor-cog-readout {
    fill: rgba(210, 88, 18, 0.98);
    font-family: Consolas, "Courier New", monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    stroke: rgba(255, 255, 255, 0.55);
    stroke-width: 0.35;
    paint-order: stroke fill;
    pointer-events: none;
}

.mcs-nmea-protractor-range-label {
    fill: rgba(52, 58, 68, 0.82);
    font-family: Consolas, "Courier New", monospace;
    font-size: 8.5px;
    font-weight: 600;
    dominant-baseline: middle;
    stroke: none;
}

.mcs-nmea-protractor-center-origin .mcs-nmea-protractor-center-axis,
.mcs-nmea-protractor-center-origin .mcs-nmea-protractor-center-wing {
    fill: none;
    stroke: rgba(120, 205, 232, 0.92);
    stroke-width: 0.9;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.mcs-nmea-protractor-center-origin .mcs-nmea-protractor-center-ring {
    fill: none;
    stroke: rgba(118, 200, 228, 0.98);
    stroke-width: 1;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.mcs-nmea-protractor-center-origin .mcs-nmea-protractor-center-cross-outline {
    fill: none;
    stroke: rgba(28, 38, 48, 0.42);
    stroke-width: 2.2;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.mcs-nmea-protractor-center-origin .mcs-nmea-protractor-center-cross {
    fill: none;
    stroke: rgba(255, 255, 255, 0.98);
    stroke-width: 1.15;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.mcs-nmea-protractor-center-origin .mcs-nmea-protractor-center-hub {
    fill: rgba(255, 255, 255, 0.95);
    stroke: rgba(90, 150, 175, 0.75);
    stroke-width: 0.65;
}

.mcs-nmea-protractor-center-marker {
    fill: rgba(58, 65, 75, 0.9);
    stroke: rgba(255, 255, 255, 0.45);
    stroke-width: 0.6;
}

.mcs-nmea-protractor-center {
    stroke: rgba(78, 85, 95, 0.65);
    stroke-width: 0.8;
}

.mcs-nmea-protractor-center-dot {
    fill: rgba(72, 78, 88, 0.78);
    stroke: none;
}

#ol-container .ol-graticule {
    pointer-events: none;
}

#ol-container .ol-graticule--ecdis {
    mix-blend-mode: normal;
}

.mcs-ol-date-line-note {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(74, 127, 181, 0.4);
    background: rgba(0, 0, 0, 0.72);
    font-size: 0.62rem;
    pointer-events: none;
    user-select: none;
}

.mcs-ol-date-line-meridian {
    color: rgba(160, 255, 190, 0.98);
}

.mcs-ol-date-line-equator {
    color: rgba(160, 220, 255, 0.98);
}

.mcs-ol-date-line-cut {
    color: rgba(255, 180, 150, 0.98);
}

/* 2D 위성 호버 팝업 */
.mcs-sat-popup {
    pointer-events: none;
    z-index: 20;
}

.mcs-sat-popup-card {
    display: flex;
    gap: 0.65rem;
    max-width: 320px;
    padding: 0.55rem;
    background: rgba(12, 18, 32, 0.94);
    border: 1px solid var(--mcs-border);
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
    color: var(--mcs-text);
}

.mcs-sat-popup-img {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    background: #1a2238;
}

.mcs-sat-popup-img.is-broken {
    opacity: 0.25;
}

.mcs-sat-popup-body {
    min-width: 0;
    font-size: 0.78rem;
    line-height: 1.35;
}

.mcs-sat-popup-title {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.15rem;
}

.mcs-sat-popup-meta {
    color: var(--mcs-muted);
    font-size: 0.7rem;
    margin-bottom: 0.35rem;
}

.mcs-sat-popup-summary {
    margin: 0 0 0.35rem;
    color: #c8d4ef;
}

.mcs-sat-popup-dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.15rem 0.5rem;
}

.mcs-sat-popup-dl dt {
    margin: 0;
    color: var(--mcs-muted);
    font-size: 0.65rem;
    text-transform: uppercase;
}

.mcs-sat-popup-dl dd {
    margin: 0;
}

.mcs-sat-popup-payloads {
    margin: 0;
    padding-left: 1rem;
}

.mcs-sat-popup-payloads li {
    margin: 0;
}

.mcs-sat-popup-loading {
    padding: 0.75rem 1rem;
    background: rgba(12, 18, 32, 0.94);
    border: 1px solid var(--mcs-border);
    border-radius: 8px;
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#cesium-container .cesium-viewer-bottom {
    display: none !important;
}

/* TLE catalog (right rail pane) */
.mcs-group-picker {
    display: grid;
    grid-template-columns: 200px 1fr;
    min-height: 360px;
    max-height: 60vh;
}

.mcs-group-nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.75rem;
    border-right: 1px solid var(--mcs-border);
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.15);
}

.mcs-group-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.45rem 0.6rem;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    color: var(--mcs-text);
    font-size: 0.8rem;
    cursor: pointer;
}

.mcs-group-item:hover {
    background: rgba(61, 139, 253, 0.12);
}

.mcs-group-item.active {
    background: rgba(61, 139, 253, 0.2);
    border-color: var(--mcs-accent);
    color: #fff;
}

.mcs-group-catalog {
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
}

.mcs-group-catalog-toolbar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem 0.75rem 0.35rem;
    border-bottom: 1px solid var(--mcs-border);
}

.mcs-modal-tree {
    flex: 1;
    overflow-y: auto;
    padding: 0.35rem 0.75rem 0.75rem;
    min-height: 0;
}

.cesium-viewer-toolbar {
    /* Cesium 기본 UI는 유지, 필요 시 Phase 2에서 커스터마이즈 */
}

/* ── Dark theme: Bootstrap 폼·보조 텍스트 가독성 ── */
.mcs-shell .text-muted,
.mcs-shell small.text-muted {
    color: var(--mcs-muted) !important;
}

.mcs-shell .form-control,
.mcs-shell .form-select {
    background-color: #1a2238;
    border-color: var(--mcs-border);
    color: var(--mcs-text);
}

.mcs-shell .form-control:focus,
.mcs-shell .form-select:focus {
    background-color: #1f2842;
    border-color: var(--mcs-accent);
    color: var(--mcs-text);
    box-shadow: 0 0 0 0.2rem rgba(61, 139, 253, 0.2);
}

.mcs-shell .form-control::placeholder {
    color: #8f9dbb;
    opacity: 1;
}

.mcs-shell .btn-outline-light {
    color: var(--mcs-text);
    border-color: #4a5878;
}

.mcs-shell .btn-outline-light:hover {
    background-color: rgba(61, 139, 253, 0.15);
    border-color: var(--mcs-accent);
    color: #fff;
}

.mcs-shell .btn-outline-secondary {
    color: var(--mcs-muted);
    border-color: #4a5878;
}

.mcs-shell .btn-outline-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: #6a7898;
    color: var(--mcs-text);
}

.mcs-shell #catalog-updated,
.mcs-shell #watchlist-count,
.mcs-shell #modal-catalog-count,
.mcs-shell #modal-selection-summary {
    color: var(--mcs-muted) !important;
    font-size: 0.78rem;
}

.mcs-shell .mcs-dl dd,
.mcs-shell .mcs-sat-name,
.mcs-shell p.small {
    color: var(--mcs-text);
}

.mcs-shell .mcs-tree .norad {
    color: var(--mcs-muted-dim);
}

@media (max-width: 1200px) {
    .mcs-main {
        grid-template-columns: 220px 1fr auto;
    }
}

@media (max-width: 768px) {
    .mcs-main {
        grid-template-columns: 1fr auto;
    }
    .mcs-panel-left {
        display: none;
    }
}

.mcs-enc-panel {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--mcs-border);
}

.mcs-enc-rail-body {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.mcs-enc-rail-body .mcs-enc-layer-list {
    flex: 1;
    min-height: 120px;
    max-height: none;
}

.mcs-enc-contour-panel {
    --mcs-enc-contour-input-w: 3.6rem;
    padding: 0.55rem 0.6rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.18);
    min-width: 0;
    overflow: hidden;
    box-sizing: border-box;
}

.mcs-enc-contour-title {
    margin: 0 0 0.25rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: rgba(200, 210, 224, 0.95);
}

.mcs-enc-contour-help {
    margin: 0 0 0.5rem;
    font-size: 0.72rem;
    color: var(--mcs-muted-dim);
    line-height: 1.35;
}

.mcs-enc-contour-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
}

.mcs-enc-contour-field {
    display: grid;
    grid-template-columns: 1fr var(--mcs-enc-contour-input-w) 0.9rem;
    align-items: center;
    gap: 0 0.4rem;
    margin: 0;
    min-width: 0;
    font-size: 0.74rem;
    color: rgba(200, 208, 218, 0.92);
}

.mcs-enc-contour-field > span:first-child {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-enc-contour-field input {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    text-align: right;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
}

.mcs-enc-contour-draft-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
}

.mcs-enc-contour-draft-row .mcs-enc-contour-field {
    min-width: 0;
}

.mcs-enc-contour-draft-row #btn-enc-contour-from-draft {
    width: 100%;
    margin-top: 0.1rem;
}

.mcs-enc-contour-actions {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 0.45rem;
}

.mcs-enc-contour-summary {
    font-size: 0.68rem;
    line-height: 1.45;
    color: rgba(176, 184, 196, 0.95);
}

.mcs-enc-contour-band {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.mcs-enc-contour-band--safety-line {
    margin-top: 0.35rem;
    padding-top: 0.35rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mcs-enc-contour-swatch {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 1px;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.25);
}

.mcs-enc-contour-swatch--shallow { background: rgb(95, 177, 248); }
.mcs-enc-contour-swatch--mid { background: rgb(127, 200, 252); }
.mcs-enc-contour-swatch--deep { background: rgb(162, 218, 254); }
.mcs-enc-contour-swatch--sea { background: rgb(198, 234, 255); }

.mcs-enc-noaa-panel[hidden] {
    display: none !important;
}

.mcs-enc-cell-picker[hidden] {
    display: none !important;
}

.mcs-enc-noaa-results {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 140px;
    overflow-y: auto;
}

.mcs-enc-noaa-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    text-align: left;
    border: 1px solid transparent;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--mcs-text);
    padding: 0.35rem 0.45rem;
    margin-bottom: 0.25rem;
    cursor: pointer;
}

.mcs-enc-noaa-item small {
    color: var(--mcs-muted-dim);
    font-size: 0.68rem;
}

.mcs-enc-noaa-item.active,
.mcs-enc-noaa-item:hover {
    border-color: rgba(61, 139, 253, 0.45);
    background: rgba(61, 139, 253, 0.12);
}

.mcs-enc-panel-header {
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--mcs-muted);
    margin-bottom: 0.5rem;
}

.mcs-enc-layer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 220px;
    overflow-y: auto;
}

.mcs-enc-layer-item {
    margin-bottom: 0.35rem;
}

.mcs-enc-layer-item label {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 0 0.45rem;
    align-items: center;
    cursor: pointer;
    font-size: 0.82rem;
}

.mcs-enc-layer-item input {
    grid-row: 1 / span 2;
}

.mcs-enc-layer-item small {
    grid-column: 2;
    color: var(--mcs-muted-dim);
    font-size: 0.72rem;
}

/* EFM — Electric Farm Map (팜맵·지적) */
#ol-container.mcs-efm-chart-mode {
    cursor: crosshair;
}

#ol-container.mcs-efm-chart-mode .mcs-ol-cursor-hud-title::after {
    content: ' · EFM';
    opacity: 0.75;
}

.mcs-efm-rail-body .mcs-efm-layer-list {
    max-height: 180px;
}

.mcs-efm-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.65rem;
    padding: 0.45rem 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
}

.mcs-efm-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--mcs-muted);
}

.mcs-efm-legend-swatch {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    border: 1px solid rgba(0, 0, 0, 0.35);
    flex-shrink: 0;
}

.mcs-efm-layer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 220px;
    overflow-y: auto;
}

.mcs-efm-layer-item {
    margin-bottom: 0.35rem;
}

.mcs-efm-layer-item label {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 0 0.45rem;
    align-items: center;
    cursor: pointer;
    font-size: 0.82rem;
}

.mcs-efm-layer-item input {
    grid-row: 1 / span 2;
}

.mcs-efm-layer-item small {
    grid-column: 2;
    color: var(--mcs-muted-dim);
    font-size: 0.72rem;
}

.mcs-efm-parcel-info dd {
    font-size: 0.82rem;
    line-height: 1.45;
}

/* 3D Starlink constellation (satellitemap.space 스타일) */
.mcs-map-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
}

.mcs-hud-layout:not(.mcs-frame-bg) .mcs-globe-graticule-controls,
.mcs-hud-layout:not(.mcs-frame-bg) .mcs-earth-spin-top-control,
.mcs-hud-layout:not(.mcs-frame-bg) .mcs-starlink-controls {
    position: relative;
    top: auto;
    left: auto;
    z-index: 5;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.65rem;
    background: rgba(0, 0, 0, 0.72);
    border: 1px solid var(--mcs-border);
    border-radius: 8px;
    font-size: 0.82rem;
    pointer-events: auto;
}

.mcs-hud-layout:not(.mcs-frame-bg) .mcs-earth-spin-top-control[hidden] {
    display: none !important;
}

.mcs-hud-layout:not(.mcs-frame-bg) .mcs-earth-spin-top-btn {
    min-height: 1.5rem;
    padding: 0;
}

.mcs-globe-graticule-controls {
    width: max-content;
    min-width: 7.35rem;
    box-sizing: border-box;
}

.mcs-globe-graticule-toggle,
.mcs-starlink-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.mcs-globe-graticule-toggle span {
    white-space: nowrap;
}

.mcs-starlink-status {
    color: var(--mcs-muted);
    font-size: 0.75rem;
    max-width: 16ch;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mcs-starlink-status.is-error {
    color: #ff6b6b;
}

.mcs-starlink-legend {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 5;
    min-width: 148px;
    padding: 0.55rem 0.65rem;
    background: rgba(0, 0, 0, 0.78);
    border: 1px solid var(--mcs-border);
    border-radius: 8px;
    font-size: 0.72rem;
    pointer-events: none;
}

.mcs-starlink-legend-title {
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.mcs-starlink-legend-count {
    color: var(--mcs-muted);
    margin-bottom: 0.35rem;
}

.mcs-starlink-legend-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mcs-starlink-legend-list li {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    line-height: 1.45;
}

.mcs-starlink-swatch {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Starlink 셸 가시성 체크박스 (테마형) ── */
.mcs-starlink-shell-toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    user-select: none;
}

.mcs-starlink-shell-cb {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.mcs-starlink-shell-box {
    position: relative;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid var(--mcs-border);
    background: rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.mcs-starlink-shell-toggle:hover .mcs-starlink-shell-box {
    border-color: var(--mcs-accent);
}

.mcs-starlink-shell-cb:checked + .mcs-starlink-shell-box {
    background: var(--mcs-accent);
    border-color: var(--mcs-accent);
}

.mcs-starlink-shell-cb:checked + .mcs-starlink-shell-box::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0;
    width: 4px;
    height: 8px;
    border: solid #04121f;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.mcs-starlink-shell-cb:focus-visible + .mcs-starlink-shell-box {
    outline: 1px solid var(--mcs-accent);
    outline-offset: 1px;
}

/* 체크 해제된 셸은 흐리게 표시해 비활성 상태를 드러냄 */
.mcs-starlink-shell-cb:not(:checked) ~ .mcs-starlink-swatch,
.mcs-starlink-shell-cb:not(:checked) ~ .mcs-starlink-shell-name {
    opacity: 0.4;
}

.mcs-starlink-legend-meta {
    margin-top: 0.35rem;
    color: var(--mcs-muted-dim);
    font-size: 0.68rem;
}

/* ── Starlink left-rail tab icon (SpaceX X) ── */
.mcs-rail-tab-spacex {
    display: inline-block;
    width: 30px;
    height: 14px;
    opacity: 0.95;
    background-color: currentColor;
    -webkit-mask: url('/images/starlink-mark.png') no-repeat center / contain;
    mask: url('/images/starlink-mark.png') no-repeat center / contain;
}

#tab-left-starlink.active .mcs-rail-tab-spacex,
#tab-left-starlink[aria-selected="true"] .mcs-rail-tab-spacex {
    background-color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
    opacity: 1;
}

/* ── Starlink 점 선택 식별 카드 (지구본 위 오버레이) ── */
.mcs-starlink-pick {
    position: absolute;
    z-index: 30;
    transform: translate(14px, -50%);
    min-width: 168px;
    max-width: 250px;
    padding: 0.55rem 0.7rem 0.6rem;
    background: linear-gradient(160deg, rgba(16, 24, 36, 0.97), rgba(10, 16, 26, 0.97));
    border: 1px solid rgba(120, 200, 255, 0.22);
    border-left: 2px solid rgba(57, 255, 20, 0.9);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    color: rgba(232, 240, 248, 0.98);
    pointer-events: none;
    font-size: 0.74rem;
    line-height: 1.4;
}

.mcs-starlink-pick-close {
    display: none;
}

.mcs-starlink-pick-name {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: rgba(57, 255, 20, 0.95);
}

.mcs-starlink-pick-swatch {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 4px currentColor;
}

.mcs-starlink-pick-meta {
    margin: 0;
    display: grid;
    gap: 0.15rem;
}

.mcs-starlink-pick-meta > div {
    display: flex;
    justify-content: space-between;
    gap: 0.6rem;
}

.mcs-starlink-pick-meta dt {
    margin: 0;
    color: rgba(150, 165, 185, 0.85);
    font-weight: 500;
}

.mcs-starlink-pick-meta dd {
    margin: 0;
    font-family: Consolas, "Courier New", monospace;
    color: rgba(210, 225, 240, 0.96);
}

/* ── Starlink 핀 고정 목록 패널 (우측 상단, 슬라이드 패널과 연동) ── */
.mcs-starlink-pins {
    position: fixed;
    /* 상단 크롬 + 그래티큘 컨트롤 아래로 */
    top: calc(var(--mcs-frame-top-chrome, 48px) + 3.4rem);
    /* 우측 슬라이드 패널 열림/닫힘에 따라 동적으로 좌우 위치 연동 */
    right: var(--mcs-rail-overlay-right, 14px);
    z-index: var(--mcs-frame-top-ui-z, 32);
    width: 248px;
    /* 하단 상태바 위까지 가변적으로 늘어나되, 넘치면 목록만 스크롤 */
    max-height: calc(100vh - var(--mcs-frame-top-chrome, 48px) - 3.4rem - var(--mcs-status-h, 28px) - 1.2rem);
    display: flex;
    flex-direction: column;
    background: linear-gradient(160deg, rgba(16, 24, 36, 0.97), rgba(10, 16, 26, 0.97));
    border: 1px solid rgba(120, 200, 255, 0.22);
    border-left: 2px solid rgba(57, 255, 20, 0.85);
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    color: rgba(232, 240, 248, 0.98);
    font-size: 0.76rem;
    overflow: hidden;
}

.mcs-starlink-pins-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.7rem;
    border-bottom: 1px solid rgba(120, 200, 255, 0.14);
    flex-shrink: 0;
}

.mcs-starlink-pins-title {
    font-weight: 600;
    font-size: 0.8rem;
    color: rgba(180, 220, 255, 0.95);
}

.mcs-starlink-pins-clear {
    border: 1px solid rgba(120, 200, 255, 0.25);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(200, 215, 230, 0.9);
    font-size: 0.68rem;
    border-radius: 6px;
    padding: 0.12rem 0.4rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.mcs-starlink-pins-clear:hover {
    background: rgba(255, 110, 110, 0.18);
    color: #ffb3b3;
    border-color: rgba(255, 110, 110, 0.4);
}

.mcs-starlink-pins-list {
    list-style: none;
    margin: 0;
    padding: 0.3rem;
    overflow-y: auto;
    /* 플렉스 컬럼 안에서 남은 높이만 차지하고 내부 스크롤되도록 */
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.mcs-starlink-pins-list::-webkit-scrollbar { width: 8px; }
.mcs-starlink-pins-list::-webkit-scrollbar-thumb {
    background: rgba(120, 200, 255, 0.2);
    border-radius: 4px;
}

.mcs-starlink-pins-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.34rem 0.4rem;
    border-radius: 7px;
    transition: background 0.12s ease;
}

.mcs-starlink-pins-list li:hover {
    background: rgba(120, 200, 255, 0.08);
}

.mcs-starlink-pins-swatch {
    width: 0.62rem;
    height: 0.62rem;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 5px currentColor;
}

.mcs-starlink-pins-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.mcs-starlink-pins-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mcs-starlink-pins-sub {
    font-size: 0.66rem;
    color: rgba(150, 165, 185, 0.85);
    font-family: Consolas, "Courier New", monospace;
}

.mcs-starlink-pins-actions {
    display: flex;
    gap: 0.2rem;
    flex-shrink: 0;
}

.mcs-starlink-pins-actions button {
    width: 1.4rem;
    height: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(120, 200, 255, 0.2);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(200, 215, 230, 0.9);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    line-height: 1;
    transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.mcs-starlink-pins-actions button[data-act="focus"]:hover {
    background: rgba(57, 255, 20, 0.16);
    color: #8dff7a;
    border-color: rgba(57, 255, 20, 0.4);
}

.mcs-starlink-pins-actions button[data-act="remove"]:hover {
    background: rgba(255, 110, 110, 0.18);
    color: #ffb3b3;
    border-color: rgba(255, 110, 110, 0.4);
}

/* ── Starlink 로딩 진행 팝업 ── */
.mcs-starlink-load-backdrop {
    position: fixed;
    inset: 0;
    z-index: 4000;
    background: rgba(4, 8, 14, 0.55);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.mcs-starlink-load-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.mcs-starlink-load-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 4001;
    width: min(420px, calc(100vw - 2rem));
    transform: translate(-50%, -48%) scale(0.98);
    background: linear-gradient(160deg, rgba(16, 24, 36, 0.98), rgba(10, 16, 26, 0.98));
    border: 1px solid rgba(120, 200, 255, 0.22);
    border-radius: 12px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
    color: rgba(228, 234, 244, 0.96);
    padding: 1.1rem 1.2rem 0.9rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.mcs-starlink-load-popup.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.mcs-starlink-load-popup.is-error {
    border-color: rgba(255, 110, 110, 0.45);
}

.mcs-starlink-load-head {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.9rem;
}

.mcs-starlink-load-mark {
    width: 38px;
    height: 18px;
    flex-shrink: 0;
    background-color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
    -webkit-mask: url('/images/starlink-mark.png') no-repeat center / contain;
    mask: url('/images/starlink-mark.png') no-repeat center / contain;
}

.mcs-starlink-load-titles h2 {
    margin: 0;
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.mcs-starlink-load-sub {
    margin: 0.1rem 0 0;
    font-size: 0.78rem;
    color: rgba(150, 200, 255, 0.85);
}

.mcs-starlink-load-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.mcs-starlink-load-step {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.mcs-starlink-load-step-mark {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 2px solid rgba(160, 175, 195, 0.4);
    box-sizing: border-box;
    position: relative;
}

.mcs-starlink-load-step.is-active .mcs-starlink-load-step-mark {
    border-color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
    border-top-color: transparent;
    animation: mcs-starlink-spin 0.8s linear infinite;
}

.mcs-starlink-load-step.is-done .mcs-starlink-load-step-mark {
    border-color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
    background: rgb(var(--mcs-glow-rgb, 64, 220, 130));
}

.mcs-starlink-load-step.is-done .mcs-starlink-load-step-mark::after {
    content: "";
    position: absolute;
    left: 3.5px;
    top: 0.5px;
    width: 4px;
    height: 8px;
    border: solid rgba(10, 16, 26, 0.95);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.mcs-starlink-load-step.is-error .mcs-starlink-load-step-mark {
    border-color: rgba(255, 110, 110, 0.9);
    background: rgba(255, 110, 110, 0.9);
}

.mcs-starlink-load-step.is-error .mcs-starlink-load-step-mark::after {
    content: "!";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: rgba(10, 16, 26, 0.95);
}

.mcs-starlink-load-step.is-pending {
    opacity: 0.55;
}

.mcs-starlink-load-step-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.mcs-starlink-load-step-label {
    font-size: 0.82rem;
}

.mcs-starlink-load-step-hint {
    font-size: 0.66rem;
    color: var(--mcs-muted-dim, rgba(150, 160, 175, 0.8));
}

/* ── Starlink 로딩 진행바 ── */
.mcs-starlink-load-progress {
    margin-top: 0.9rem;
}

.mcs-starlink-load-progress-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.6rem;
    margin-bottom: 0.35rem;
}

.mcs-starlink-load-progress-label {
    font-size: 0.74rem;
    color: rgba(190, 210, 230, 0.92);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mcs-starlink-load-progress-pct {
    font-size: 0.74rem;
    font-variant-numeric: tabular-nums;
    color: var(--mcs-accent);
    flex-shrink: 0;
}

.mcs-starlink-load-bar {
    position: relative;
    height: 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.mcs-starlink-load-bar-fill {
    height: 100%;
    width: 0;
    border-radius: 4px;
    background: linear-gradient(90deg, rgba(var(--mcs-accent-rgb), 0.65), var(--mcs-accent));
    box-shadow: 0 0 8px rgba(var(--mcs-accent-rgb), 0.6);
    transition: width 0.18s ease;
}

.mcs-starlink-load-bar-fill.is-indeterminate {
    transition: none;
    animation: mcs-starlink-bar-slide 1.1s ease-in-out infinite;
}

@keyframes mcs-starlink-bar-slide {
    0% { margin-left: -40%; }
    100% { margin-left: 100%; }
}

.mcs-starlink-load-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    margin-top: 1rem;
    min-height: 1.6rem;
}

.mcs-starlink-load-status {
    font-size: 0.74rem;
    color: rgba(180, 200, 220, 0.9);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mcs-starlink-load-status.is-error {
    color: rgba(255, 130, 130, 0.95);
}

@keyframes mcs-starlink-spin {
    to { transform: rotate(360deg); }
}

/* ── Starlink 부팅 콘솔 (리눅스 부팅 시퀀스 스타일) ── */
.mcs-starlink-load-popup.mcs-boot {
    width: min(620px, calc(100vw - 2rem));
    padding: 0;
    overflow: hidden;
    background: #05080d;
    border: 1px solid rgba(120, 200, 255, 0.22);
    color: #c8d4e2;
    font-family: ui-monospace, SFMono-Regular, "Cascadia Code", "Cascadia Mono", Consolas, monospace;
}

.mcs-starlink-load-popup.mcs-boot.is-error {
    border-color: rgba(255, 110, 110, 0.5);
}

.mcs-boot-titlebar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.8rem;
    background: linear-gradient(180deg, rgba(28, 38, 54, 0.95), rgba(16, 24, 36, 0.95));
    border-bottom: 1px solid rgba(120, 200, 255, 0.14);
}

.mcs-boot-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(150, 165, 185, 0.45);
}

.mcs-boot-dot:nth-child(1) { background: #ff5f57; }
.mcs-boot-dot:nth-child(2) { background: #febc2e; }
.mcs-boot-dot:nth-child(3) { background: #28c840; }

.mcs-boot-title {
    margin-left: 0.5rem;
    font-size: 0.74rem;
    letter-spacing: 0.02em;
    color: rgba(170, 190, 210, 0.75);
}

.mcs-boot-screen {
    padding: 0.85rem 0.95rem 0.9rem;
    background:
        radial-gradient(120% 120% at 50% 0%, rgba(40, 90, 150, 0.10), transparent 60%),
        #05080d;
}

.mcs-boot-banner {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding-bottom: 0.55rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(120, 200, 255, 0.18);
}

.mcs-boot-mark {
    width: 34px;
    height: 16px;
    flex-shrink: 0;
    background-color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
    -webkit-mask: url('/images/starlink-mark.png') no-repeat center / contain;
    mask: url('/images/starlink-mark.png') no-repeat center / contain;
}

.mcs-boot-art {
    margin: 0;
    font-size: 0.72rem;
    line-height: 1.2;
    letter-spacing: 0.04em;
    color: rgba(140, 200, 255, 0.9);
    text-shadow: 0 0 8px rgba(80, 170, 255, 0.35);
    white-space: pre-wrap;
}

.mcs-boot-console {
    max-height: 320px;
    min-height: 96px;
    overflow-y: auto;
    font-size: 0.78rem;
    line-height: 1.55;
}

.mcs-boot-console::-webkit-scrollbar { width: 8px; }
.mcs-boot-console::-webkit-scrollbar-thumb {
    background: rgba(120, 200, 255, 0.2);
    border-radius: 4px;
}

.mcs-boot-line {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    white-space: pre-wrap;
    word-break: break-word;
    animation: mcs-boot-line-in 0.16s ease-out;
}

@keyframes mcs-boot-line-in {
    from { opacity: 0; transform: translateY(2px); }
    to { opacity: 1; transform: none; }
}

.mcs-boot-tag {
    flex-shrink: 0;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: pre;
}

.mcs-boot-tag::before { content: "["; color: rgba(160, 175, 195, 0.7); }
.mcs-boot-tag::after { content: "]"; color: rgba(160, 175, 195, 0.7); }

.mcs-boot-tag.is-ok { color: #34d364; text-shadow: 0 0 6px rgba(52, 211, 100, 0.4); }
.mcs-boot-tag.is-fail { color: #ff6b6b; text-shadow: 0 0 6px rgba(255, 107, 107, 0.4); }
.mcs-boot-tag.is-info { color: #59b6ff; }
.mcs-boot-tag.is-busy {
    color: #febc2e;
    animation: mcs-boot-blink 0.9s steps(2, start) infinite;
}

@keyframes mcs-boot-blink {
    50% { opacity: 0.35; }
}

.mcs-boot-msg {
    color: rgba(205, 216, 230, 0.95);
}

.mcs-boot-substep {
    padding-left: 1.6rem;
    font-size: 0.73rem;
    opacity: 0.82;
}

.mcs-boot-substep .mcs-boot-msg {
    color: rgba(168, 196, 220, 0.85);
}

.mcs-boot-substep-arrow {
    flex-shrink: 0;
    color: rgba(120, 200, 255, 0.55);
}

.mcs-boot-msg em {
    font-style: normal;
    color: rgba(140, 200, 255, 0.9);
}

.mcs-boot-bar {
    font-variant-numeric: tabular-nums;
    color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
}

.mcs-boot-bar.is-indeterminate .mcs-boot-bar-track {
    background: linear-gradient(90deg,
        rgba(64, 220, 130, 0) 0%,
        rgba(64, 220, 130, 0.85) 50%,
        rgba(64, 220, 130, 0) 100%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: rgba(120, 140, 160, 0.4);
    animation: mcs-boot-scan 1.2s linear infinite;
}

@keyframes mcs-boot-scan {
    from { background-position: 220% 0; }
    to { background-position: -120% 0; }
}

.mcs-boot-promptline {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.6rem;
    padding-top: 0.5rem;
    border-top: 1px dashed rgba(120, 200, 255, 0.14);
    font-size: 0.78rem;
}

.mcs-boot-prompt {
    color: #34d364;
    font-weight: 600;
}

.mcs-boot-cursor {
    color: rgba(205, 216, 230, 0.95);
    animation: mcs-boot-blink 1s steps(2, start) infinite;
}

.mcs-boot-close {
    margin-left: auto;
}

/* ── Starlink management panel (left rail) ── */
.mcs-starlink-head {
    padding: 0;
}

.mcs-starlink-logo {
    display: block;
    width: 100%;
    height: auto;
    max-height: 120px;
    object-fit: cover;
    border-radius: 8px;
    user-select: none;
}

.mcs-starlink-panel {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.mcs-starlink-panel-row {
    align-items: flex-start;
    gap: 0.55rem;
}

.mcs-starlink-panel-statusbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.mcs-starlink-panel-statusbar .mcs-starlink-status {
    font-size: 0.78rem;
    color: var(--mcs-muted);
    max-width: 60%;
}

.mcs-starlink-panel-statusbar .mcs-starlink-status.is-error {
    color: #ff6b6b;
}

/* ── Starlink 접속 로그 (하단 별도 출력) ── */
.mcs-starlink-panel-logwrap {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.mcs-starlink-panel-loghead {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--mcs-muted);
    text-transform: uppercase;
}

.mcs-starlink-panel-log {
    max-height: 160px;
    overflow-y: auto;
    padding: 0.45rem 0.55rem;
    border: 1px solid var(--mcs-border);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.45);
    font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, monospace;
    font-size: 0.68rem;
    line-height: 1.5;
}

.mcs-starlink-panel-log:empty::before {
    content: "로그 없음";
    color: var(--mcs-muted-dim);
}

.mcs-starlink-log-line {
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--mcs-muted);
}

.mcs-starlink-log-line.is-ok {
    color: rgb(var(--mcs-glow-rgb, 64, 220, 130));
}

.mcs-starlink-log-line.is-error {
    color: #ff8585;
}

.mcs-starlink-panel-refresh {
    flex-shrink: 0;
    font-size: 0.72rem;
    padding: 0.15rem 0.55rem;
}

.mcs-starlink-panel-legend {
    border: 1px solid var(--mcs-border);
    border-radius: 8px;
    padding: 0.55rem 0.65rem;
    background: rgba(0, 0, 0, 0.35);
    font-size: 0.74rem;
}

.mcs-starlink-panel-legend:empty {
    display: none;
}

.mcs-starlink-panel-note {
    margin: 0;
    color: var(--mcs-muted-dim);
    font-size: 0.7rem;
    line-height: 1.5;
}

.mcs-starlink-panel-note code {
    color: var(--mcs-muted);
    font-size: 0.68rem;
}

/* ── Space command-center theme (satellitemap.space) ── */
.mcs-cesium-space .cesium-viewer-bottom,
.mcs-cesium-space .cesium-viewer-toolbar,
.mcs-cesium-space .cesium-viewer-fullscreenContainer {
    background: rgba(0, 0, 0, 0.55);
}

.mcs-cesium-space .cesium-credit-lightbox,
.mcs-cesium-space .cesium-widget-credits {
    color: var(--mcs-muted-dim) !important;
    background: transparent !important;
    font-size: 0.65rem;
}

.mcs-cesium-space .cesium-viewer-bottom {
    border-top: 1px solid rgba(30, 42, 61, 0.6);
}

.mcs-hud-layout:not(.mcs-frame-bg) .mcs-starlink-controls,
.mcs-hud-layout:not(.mcs-frame-bg) .mcs-starlink-legend,
.mcs-ground-track-legend,
.mcs-ol-date-line-note,
.mcs-eci-legend-drawer .mcs-eci-legend-panel {
    backdrop-filter: blur(6px);
}

/* frame-bg — Starlink top chrome: overlay well only, no floating pill chrome */
.mcs-hud-layout.mcs-frame-bg .mcs-starlink-controls,
.mcs-hud-layout.mcs-frame-bg .mcs-map-controls .mcs-starlink-controls {
    background: transparent;
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    backdrop-filter: none;
    box-shadow: none;
}

/* Display colour settings popup (IEC 62288 / ECDIS tokens) */
.mcs-display-theme-backdrop {
    position: fixed;
    inset: 0;
    z-index: 12000;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 160ms ease, visibility 160ms ease;
}

.mcs-display-theme-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mcs-display-theme-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -48%) scale(0.98);
    z-index: 12001;
    width: min(920px, calc(100vw - 2rem));
    max-height: min(82vh, 760px);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(24, 26, 30, 0.98);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.mcs-display-theme-panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}

.mcs-display-theme-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1rem 0.65rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mcs-display-theme-head h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.mcs-display-theme-sub {
    margin: 0.25rem 0 0;
    font-size: 0.75rem;
    color: rgba(176, 184, 196, 0.92);
}

.mcs-display-theme-tabs {
    display: flex;
    gap: 0.35rem;
    padding: 0.55rem 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mcs-display-theme-tab {
    appearance: none;
    border: 1px solid transparent;
    border-bottom: none;
    background: transparent;
    color: rgba(176, 184, 196, 0.85);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 0.4rem 0.85rem;
    border-radius: 7px 7px 0 0;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.mcs-display-theme-tab:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.mcs-display-theme-tab.active {
    color: #fff;
    background: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.18);
    border-color: rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.45);
    box-shadow: inset 0 -2px 0 0 rgba(var(--mcs-glow-rgb, 64, 220, 130), 0.9);
}

.mcs-display-theme-body {
    overflow: auto;
    padding: 0.65rem 1rem 0.85rem;
}

.mcs-display-theme-cat-pane[hidden] {
    display: none;
}

.mcs-display-theme-group {
    margin-bottom: 1rem;
}

.mcs-display-theme-group h3 {
    margin: 0 0 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(140, 180, 220, 0.95);
}

.mcs-display-theme-row {
    display: grid;
    grid-template-columns: minmax(140px, 1.2fr) minmax(120px, 0.9fr) auto 2.2fr auto;
    gap: 0.45rem 0.55rem;
    align-items: center;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mcs-display-theme-row:last-child {
    border-bottom: none;
}

.mcs-display-theme-label {
    margin: 0;
    font-size: 0.78rem;
    color: rgba(224, 228, 236, 0.95);
}

.mcs-display-theme-id {
    font-size: 0.68rem;
    color: rgba(140, 148, 160, 0.95);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 3px;
    padding: 0.12rem 0.35rem;
}

.mcs-display-theme-standard {
    grid-column: 1 / -1;
    font-size: 0.68rem;
    color: rgba(120, 200, 255, 0.85);
}

.mcs-display-theme-swatch {
    width: 2rem;
    height: 1.65rem;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
}

.mcs-display-theme-input {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.72rem;
}

.mcs-display-theme-reset {
    min-width: 2rem;
    padding-inline: 0.35rem;
}

.mcs-display-theme-row--line-style {
    grid-template-columns: 1fr minmax(8rem, 12rem);
}

.mcs-display-theme-select {
    grid-column: 2;
    font-size: 0.78rem;
    max-width: 12rem;
}

.mcs-display-theme-foot {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.65rem 1rem 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 760px) {
    .mcs-display-theme-row {
        grid-template-columns: 1fr auto;
    }

    .mcs-display-theme-id,
    .mcs-display-theme-standard {
        grid-column: 1 / -1;
    }

    .mcs-display-theme-input {
        grid-column: 1 / -1;
    }
}

/* 위성 색상 탭 — 표시 중인 위성 목록 */
.mcs-sat-color-list {
    max-height: 52vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.25rem;
}

.mcs-sat-color-row .mcs-display-theme-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mcs-sat-color-row.is-override .mcs-display-theme-label::after {
    content: "●";
    margin-left: 0.35rem;
    font-size: 0.55rem;
    color: rgba(120, 200, 255, 0.9);
    vertical-align: middle;
}

/* HUD slide-rail glow theme picker (display settings) */
.mcs-display-theme-group--hud-glow .mcs-display-theme-standard {
    display: block;
    margin: 0 0 0.55rem;
}

.mcs-hud-glow-theme-options {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.mcs-hud-glow-theme-option {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.55rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.mcs-hud-glow-theme-option:hover {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
}

.mcs-hud-glow-theme-option:has(input:checked) {
    border-color: rgba(var(--mcs-accent-rgb), 0.45);
    background: rgba(var(--mcs-glow-rgb), 0.12);
    box-shadow: inset 0 0 0 1px rgba(var(--mcs-accent-rgb), 0.18);
}

.mcs-hud-glow-theme-option input {
    margin: 0;
    accent-color: var(--mcs-accent);
}

.mcs-hud-glow-theme-swatch {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    background: var(--swatch);
    box-shadow: 0 0 10px color-mix(in srgb, var(--swatch) 55%, transparent);
    flex-shrink: 0;
}

.mcs-hud-glow-theme-label {
    font-size: 0.82rem;
    color: rgba(224, 228, 236, 0.95);
}