:root {
    --layer-panel-top: 16px;
    --layer-panel-right: 16px;
    --layer-panel-gap-to-altitude: 10px;
    --layer-panel-lower-clearance: 0px;
    --altitude-panel-right: 16px;
    --altitude-panel-stack-bottom: 112px;
    --altitude-panel-visual-offset: 0px;
    --altitude-panel-bottom: calc(
        var(--altitude-panel-stack-bottom) - var(--altitude-panel-visual-offset)
    );
    --altitude-panel-height: 244px;
    --ink: #17212b;
    --muted: #5c6875;
    --panel: rgba(255, 255, 255, 0.94);
    --panel-strong: #ffffff;
    --line: rgba(27, 39, 52, 0.16);
    --accent: #009ff5;
    --accent-dark: #0078bd;
    --danger: #c53929;
    --ready: #23864d;
    --pending: #d69a1b;
    --shadow: 0 16px 40px rgba(16, 33, 50, 0.18);
    --surface: rgba(255, 255, 255, 0.96);
    --surface-strong: #ffffff;
    --surface-line: rgba(27, 39, 52, 0.14);
    --surface-muted: #63707c;
    --surface-accent: #009ff5;
    --surface-accent-dark: #0078bd;
    --time-panel-background: rgba(255, 255, 255, 0.96);
    --time-panel-border: rgba(27, 39, 52, 0.14);
    --time-panel-foreground: var(--ink);
    --time-panel-muted: var(--muted);
    --time-chip-background: #eef6fb;
    --time-chip-border: rgba(27, 39, 52, 0.12);
    --time-thumb-border: rgba(8, 17, 28, 0.85);
    --time-thumb-size: 18px;
    --altitude-thumb-size: 14px;
    --prefetch-chip-background: rgba(230, 236, 242, 0.96);
    --prefetch-chip-border: rgba(87, 102, 118, 0.2);
    --prefetch-chip-foreground: #5d6a75;
    --prefetch-dot-running: #4aa0d8;
    --prefetch-dot-queued: #b48a2f;
    --prefetch-dot-ready: #4c8f63;
    --layer-selected-background: rgba(235, 242, 248, 0.9);
    --layer-selected-border: rgba(87, 102, 118, 0.26);
    --layer-selected-foreground: var(--ink);
    --layer-selected-accent: rgba(0, 159, 245, 0.64);
    --config-dialog-background: var(--surface-strong);
    --config-dialog-foreground: var(--ink);
    --config-field-background: #ffffff;
    --config-field-border: var(--line);
    --popup-background: var(--surface-strong);
    --popup-foreground: var(--ink);
    --popup-border: var(--line);
    --popup-code-background: rgba(239, 244, 248, 0.96);
    --popup-code-foreground: #30404d;
    --popup-code-border: rgba(87, 102, 118, 0.16);
    color-scheme: light;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --ink: #e5edf5;
    --muted: #9badbd;
    --panel: rgba(13, 19, 28, 0.94);
    --panel-strong: #111827;
    --line: rgba(148, 163, 184, 0.18);
    --accent: #39b7ff;
    --accent-dark: #7dd3fc;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.36);
    --surface: rgba(13, 19, 28, 0.96);
    --surface-strong: #111827;
    --surface-line: rgba(148, 163, 184, 0.18);
    --surface-muted: #9badbd;
    --surface-accent: #39b7ff;
    --surface-accent-dark: #7dd3fc;
    --time-panel-background: rgba(10, 20, 31, 0.94);
    --time-panel-border: rgba(148, 163, 184, 0.2);
    --time-panel-foreground: #e6edf5;
    --time-panel-muted: #9fb0c4;
    --time-chip-background: rgba(15, 23, 42, 0.9);
    --time-chip-border: rgba(148, 163, 184, 0.18);
    --time-thumb-border: rgba(8, 17, 28, 0.85);
    --prefetch-chip-background: rgba(15, 23, 42, 0.88);
    --prefetch-chip-border: rgba(125, 211, 252, 0.18);
    --prefetch-chip-foreground: #c8ebf7;
    --prefetch-dot-running: #38bdf8;
    --prefetch-dot-queued: #f59e0b;
    --prefetch-dot-ready: #22c55e;
    --layer-selected-background: rgba(15, 23, 42, 0.96);
    --layer-selected-border: rgba(125, 211, 252, 0.22);
    --layer-selected-foreground: #e5edf5;
    --layer-selected-accent: rgba(56, 189, 248, 0.5);
    --config-dialog-background: #111827;
    --config-dialog-foreground: #e5edf5;
    --config-field-background: #0f172a;
    --config-field-border: rgba(148, 163, 184, 0.18);
    --popup-background: #111827;
    --popup-foreground: #e5edf5;
    --popup-border: rgba(148, 163, 184, 0.18);
    --popup-code-background: #0f172a;
    --popup-code-foreground: #dbe8f3;
    --popup-code-border: rgba(125, 211, 252, 0.12);
}

:root[data-theme="light"] {
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
    color: var(--ink);
    background: #eef2f5;
}

button,
input,
textarea,
select {
    font: inherit;
}

body {
    overflow-x: hidden;
}

.app-shell {
    min-height: 100vh;
}

.map-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background: #d7e4ef;
}

.map {
    position: absolute;
    inset: 0;
}

.brand-panel,
.status-panel,
.layer-panel,
.altitude-panel,
.time-panel,
.icon-button,
.scroll-button {
    position: absolute;
    z-index: 12;
}

.brand-panel {
    top: 16px;
    left: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 60px;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.brand-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 8px;
    transform: translateY(-3px);
}

.brand-copy {
    min-width: 0;
    display: grid;
    align-items: center;
}

.brand-title {
    color: var(--accent-dark);
    display: grid;
    gap: 2px;
    font-size: 0.72rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-actions {
    left: 16px;
    top: 86px;
    display: grid;
    gap: 8px;
    position: absolute;
    z-index: 12;
}

.brand-actions .icon-button {
    position: static;
}

.brand-action-split {
    position: relative;
    display: grid;
    width: 38px;
    height: 38px;
    grid-template-rows: 1fr 1fr;
}

.action-split-button {
    width: 38px;
    height: auto;
    border-radius: 0;
    box-shadow: 0 8px 18px rgba(16, 33, 50, 0.14);
}

.action-split-button-top {
    border-bottom-width: 0.5px;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

.action-split-button-bottom {
    border-top-width: 0.5px;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.action-split-button .icon-glyph {
    width: 14px;
    height: 14px;
}

.brand-actions .icon-button.is-active {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: color-mix(in srgb, var(--panel-strong) 72%, var(--accent) 28%);
}

.brand-actions .icon-button:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
}

.quick-adjust-panel {
    position: absolute;
    top: 0;
    left: calc(100% + 10px);
    display: grid;
    gap: 10px;
    width: 200px;
    padding: 12px 12px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 14px 32px rgba(16, 33, 50, 0.16);
    color: var(--ink);
}

.quick-adjust-panel[hidden] {
    display: none !important;
}

.quick-adjust-header {
    display: flex;
    align-items: center;
}

.quick-adjust-header strong {
    line-height: 1.2;
}

.quick-adjust-field {
    display: grid;
    gap: 3px;
}

.quick-adjust-field-label {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 10px;
    color: var(--muted);
    font-size: 0.76rem;
    line-height: 1.2;
}

.quick-adjust-slider {
    width: 100%;
}

.quick-adjust-range {
    width: 100%;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
}

.quick-adjust-range input[type="range"] {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.brand-copy {
    display: grid;
    gap: 0;
}

.status-panel {
    left: 16px;
    bottom: 112px;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: min(360px, calc(100vw - 32px));
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 10px 24px rgba(16, 33, 50, 0.12);
    color: var(--muted);
    font-size: 0.84rem;
}

.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    flex: 0 0 auto;
    background: #8b98a6;
}

.status-dot[data-status="pending"] {
    background: var(--pending);
}

.status-dot[data-status="ready"] {
    background: var(--ready);
}

.status-dot[data-status="error"] {
    background: var(--danger);
}

.layer-panel {
    top: var(--layer-panel-top);
    right: var(--layer-panel-right);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    width: min(380px, calc(100vw - 32px));
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel-strong);
    box-shadow: var(--shadow);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.layer-panel[open] {
    bottom: calc(
        var(--altitude-panel-bottom) +
        var(--altitude-panel-height) +
        var(--layer-panel-gap-to-altitude) +
        var(--layer-panel-lower-clearance)
    );
}

.layer-panel-summary {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--panel-strong);
    background-clip: padding-box;
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px 12px 12px;
    border-bottom: 1px solid var(--line);
    list-style: none;
    cursor: pointer;
    user-select: none;
    transition: margin-bottom 220ms ease;
}

.layer-panel-summary .panel-heading {
    color: var(--muted);
}

.layer-panel:not([open]) .layer-panel-summary {
    margin-bottom: 0;
}

.layer-panel-summary::-webkit-details-marker {
    display: none;
}

.layer-panel-summary::marker {
    content: '';
}

.layer-panel-copy {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.layer-panel-copy strong {
    color: var(--accent-dark);
    font-size: 0.95rem;
    line-height: 1.25;
}

.layer-panel-caret {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-strong);
    box-shadow: 0 6px 16px rgba(16, 33, 50, 0.12);
    color: var(--ink);
}

.layer-panel-caret::before {
    display: block;
    content: '⌃';
    font-size: 0.9rem;
    line-height: 1;
    transform: translateY(-1px) rotate(0deg);
    transition: transform 180ms ease;
}

.layer-panel:not([open]) .layer-panel-caret::before {
    transform: translateY(-1px) rotate(180deg);
}

.panel-heading {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.layer-panel-body {
    min-height: 0;
    padding: 0 12px 12px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    overflow: visible;
    transition:
        max-height 220ms ease,
        opacity 160ms ease,
        transform 220ms ease,
        visibility 0s;
}

.layer-panel:not([open]) .layer-panel-body {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    transition:
        max-height 220ms ease,
        opacity 160ms ease,
        transform 220ms ease,
        visibility 0s linear 220ms;
}

.layer-groups {
    min-height: 0;
    display: grid;
    gap: 10px;
    padding-right: 4px;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    align-content: start;
}

.layer-panel-scroll {
    min-height: 0;
}

.layer-group {
    display: grid;
    gap: 8px;
    border-top: 1px solid rgba(27, 39, 52, 0.1);
    padding-top: 10px;
}

.layer-group:first-child {
    border-top: 0;
    padding-top: 0;
}

.layer-group-body {
    display: grid;
    gap: 8px;
}

.layer-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 8px;
    align-items: stretch;
}

.layer-button {
    display: block;
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-strong);
    color: var(--ink);
    text-align: left;
    cursor: pointer;
}

.layer-doc-link {
    display: grid;
    place-items: center;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-strong);
    color: var(--muted);
    text-decoration: none;
    transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.layer-doc-link:hover,
.layer-item.is-selected .layer-doc-link {
    border-color: var(--layer-selected-border);
}

.layer-item.is-selected .layer-doc-link {
    background: var(--layer-selected-background);
    color: var(--layer-selected-foreground);
}

.layer-doc-icon {
    width: 16px;
    height: 16px;
    display: block;
}

.layer-button:hover,
.layer-button.is-selected {
    border-color: var(--layer-selected-border);
}

.layer-button.is-selected {
    background: var(--layer-selected-background);
    color: var(--layer-selected-foreground);
    box-shadow: inset 4px 0 0 var(--layer-selected-accent);
}

.icon-button,
.scroll-button {
    -webkit-appearance: none;
    appearance: none;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-strong);
    box-shadow: 0 8px 18px rgba(16, 33, 50, 0.14);
    color: var(--ink);
    cursor: pointer;
}

.scroll-button {
    display: none;
}

.icon-button:hover,
.scroll-button:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
}

.icon-button:active,
.scroll-button:active {
    background: var(--panel-strong);
    border-color: var(--accent);
    color: var(--accent-dark);
}

.icon-button .icon-glyph {
    width: 16px;
    height: 16px;
    display: block;
    flex: none;
}

.icon-button.is-active {
    border-color: var(--accent);
    color: var(--accent-dark);
    background: color-mix(in srgb, var(--panel-strong) 72%, var(--accent) 28%);
}

.icon-button.is-active:active {
    background: color-mix(in srgb, var(--panel-strong) 72%, var(--accent) 28%);
}

.altitude-panel {
    right: var(--altitude-panel-right);
    bottom: var(--altitude-panel-bottom);
    display: grid;
    justify-items: center;
    gap: 6px;
    width: 92px;
    height: var(--altitude-panel-height);
    padding: 10px 8px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.altitude-panel.is-concealed {
    opacity: 0;
    pointer-events: none;
}

.altitude-heading {
    text-align: center;
}

.altitude-value-label {
    text-align: center;
    font-size: 0.84rem;
    line-height: 1.2;
}

.altitude-mode-note {
    display: grid;
    place-items: center;
    min-height: 112px;
    text-align: center;
    color: var(--muted);
    font-size: 0.68rem;
    line-height: 1.35;
}

.altitude-mode-note[hidden],
.altitude-slider-shell[hidden] {
    display: none !important;
}

.altitude-slider-shell {
    position: relative;
    width: 58px;
    height: 180px;
    margin-top: 8px;
}

.altitude-cache-bar {
    position: absolute;
    top: 14px;
    left: 50%;
    width: 10px;
    height: 140px;
    border-radius: 999px;
    transform: translateX(-50%);
    background: rgba(127, 147, 170, 0.18);
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.altitude-panel.is-static .altitude-slider-shell {
    display: none;
}

.altitude-panel.is-static {
    align-content: start;
}

.altitude-slider {
    -webkit-appearance: none;
    appearance: none;
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 140px;
    margin: 0;
    padding: 0;
    background: transparent;
    writing-mode: vertical-lr;
    direction: rtl;
    accent-color: var(--accent);
    cursor: pointer;
    z-index: 2;
}

.altitude-slider::-webkit-slider-runnable-track {
    width: 10px;
    background: transparent;
    border: 0;
}

.altitude-slider::-moz-range-track {
    width: 10px;
    background: transparent;
    border: 0;
}

.altitude-slider::-moz-range-progress {
    width: 10px;
    background: transparent;
    border: 0;
}

.altitude-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: var(--altitude-thumb-size);
    height: var(--altitude-thumb-size);
    border: 2px solid var(--time-thumb-border);
    border-radius: 999px;
    background: #38bdf8;
    box-shadow: 0 0 0 1px rgba(125, 211, 252, 0.25);
}

.altitude-slider::-moz-range-thumb {
    width: var(--altitude-thumb-size);
    height: var(--altitude-thumb-size);
    border: 2px solid var(--time-thumb-border);
    border-radius: 999px;
    background: #38bdf8;
    box-shadow: 0 0 0 1px rgba(125, 211, 252, 0.25);
}

.altitude-scale {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 3;
    color: var(--muted);
    font-size: 0.62rem;
    line-height: 1;
}

.altitude-scale span {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
}

.altitude-scale-top {
    top: 0;
}

.altitude-scale-bottom {
    bottom: 12px;
}

.time-panel {
    left: 16px;
    right: 16px;
    bottom: 16px;
    display: grid;
    gap: 14px;
    padding: 16px 18px;
    border: 1px solid var(--time-panel-border);
    border-radius: 8px;
    background: var(--time-panel-background);
    box-shadow: 0 24px 48px rgba(16, 33, 50, 0.16);
    backdrop-filter: blur(12px);
    color: var(--time-panel-foreground);
}

.time-primary {
    display: grid;
    gap: 4px;
    min-width: 132px;
}

.lead-time-label {
    font-size: 1.6rem;
    font-weight: 700;
}

.absolute-time-label,
.base-time-label,
.status-label {
    color: var(--time-panel-muted);
    font-size: 0.82rem;
    line-height: 1.4;
}

.prefetch-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 24px;
    padding: 0 10px;
    border: 1px solid var(--prefetch-chip-border);
    border-radius: 999px;
    background: var(--prefetch-chip-background);
    color: var(--prefetch-chip-foreground);
    font-size: 0.74rem;
    font-weight: 700;
    white-space: nowrap;
}

.prefetch-indicator.is-hidden {
    visibility: hidden;
}

.prefetch-indicator.is-running::before,
.prefetch-indicator.is-queued::before,
.prefetch-indicator.is-ready::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 999px;
    flex: 0 0 auto;
}

.prefetch-indicator.is-running::before {
    background: var(--prefetch-dot-running);
}

.prefetch-indicator.is-queued::before {
    background: var(--prefetch-dot-queued);
}

.prefetch-indicator.is-ready::before {
    background: var(--prefetch-dot-ready);
}

.time-controls {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 14px;
}

.time-range-group {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border: 1px solid var(--time-chip-border);
    border-radius: 999px;
    background: var(--time-chip-background);
}

.segmented-option {
    position: relative;
}

.segmented-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.segmented-option span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    color: var(--time-panel-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.segmented-option input:checked + span {
    background: rgba(56, 189, 248, 0.18);
    color: var(--time-panel-foreground);
}

.play-button {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(125, 211, 252, 0.2);
    border-radius: 6px;
    background: rgba(14, 116, 144, 0.18);
    color: var(--time-panel-foreground);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
}

.play-button:hover {
    background: rgba(14, 116, 144, 0.24);
}

.play-button.is-playing {
    background: rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.35);
}

.play-button:disabled {
    opacity: 0.45;
    cursor: default;
}

.slider-shell {
    display: grid;
    gap: 10px;
    min-width: 0;
}

.slider-track-shell {
    position: relative;
    display: block;
    min-height: 18px;
}

.slider-ticks {
    position: absolute;
    inset: 50% auto auto calc(var(--time-thumb-size) / 2);
    width: calc(100% - var(--time-thumb-size));
    height: 14px;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
}

.slider-tick {
    position: absolute;
    bottom: -1px;
    width: 1px;
    height: 6px;
    transform: translateX(-50%);
    background: rgba(127, 147, 170, 0.42);
}

.slider-tick.is-major {
    height: 10px;
    background: rgba(127, 147, 170, 0.78);
}

.time-slider {
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    z-index: 3;
    width: 100%;
    height: 18px;
    margin: 0;
    background: transparent;
}

.time-slider::-webkit-slider-runnable-track {
    height: 10px;
    background: transparent;
}

.time-slider::-moz-range-track {
    height: 10px;
    background: transparent;
    border: 0;
}

.time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: var(--time-thumb-size);
    height: var(--time-thumb-size);
    margin-top: -4px;
    border: 2px solid var(--time-thumb-border);
    border-radius: 999px;
    background: #38bdf8;
    box-shadow: 0 0 0 1px rgba(125, 211, 252, 0.25);
}

.time-slider::-moz-range-thumb {
    width: var(--time-thumb-size);
    height: var(--time-thumb-size);
    border: 2px solid var(--time-thumb-border);
    border-radius: 999px;
    background: #38bdf8;
}

.slider-cache-bar {
    position: absolute;
    inset: calc(50% - 2px) 0 auto;
    height: 10px;
    border-radius: 999px;
    transform: translateY(-50%);
    background: rgba(127, 147, 170, 0.18);
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.slider-scale {
    position: relative;
    width: calc(100% - var(--time-thumb-size));
    margin-left: calc(var(--time-thumb-size) / 2);
    height: 16px;
    color: #7f93aa;
    font-size: 0.72rem;
}

.slider-scale span {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateX(-50%);
    white-space: nowrap;
}

.slider-scale span:first-child {
    transform: translateX(0);
}

.slider-scale span:last-child {
    transform: translateX(-100%);
}

.scroll-button {
    left: 50%;
    bottom: 8px;
    transform: translateX(-50%);
    width: 42px;
    height: 42px;
    border-radius: 999px;
    background: var(--panel-strong);
    z-index: 11;
}

.scroll-button span {
    font-size: 1.2rem;
    transform: translateY(-1px);
}

.developer-section {
    height: 0;
    overflow: hidden;
    visibility: hidden;
    pointer-events: none;
}

.config-dialog {
    width: min(980px, calc(100vw - 24px));
    max-width: 980px;
    padding: 0;
    border: 1px solid var(--config-field-border);
    border-radius: 8px;
    background: var(--config-dialog-background);
    color: var(--config-dialog-foreground);
    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.28);
}

.config-dialog::backdrop {
    background: rgba(13, 28, 42, 0.56);
    backdrop-filter: blur(6px);
}

.config-card {
    display: grid;
    gap: 18px;
    padding: 22px;
}

.config-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
}

.config-header .icon-button {
    position: static;
    flex: 0 0 auto;
}

.config-header h2 {
    margin: 0;
    font-size: 1.35rem;
}

.config-header .eyebrow {
    color: var(--accent-dark);
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
}

.field {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.field span {
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.field-help {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.35;
}

.field input[type="text"],
.field input[type="password"],
.field input[type="datetime-local"],
.field input[type="number"],
.field textarea,
.field select {
    width: 100%;
    min-width: 0;
    min-height: 40px;
    padding: 10px 12px;
    border: 1px solid var(--config-field-border);
    border-radius: 6px;
    background: var(--config-field-background);
    color: var(--ink);
}

.field textarea {
    min-height: 108px;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.range-row input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
}

.range-value {
    min-width: 54px;
    text-align: right;
    color: var(--muted);
    font-size: 0.84rem;
}

.field-inline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    min-width: 0;
}

.field-wide {
    grid-column: 1 / -1;
}

.field-actions {
    align-content: end;
}

.field-toggle .toggle-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.field-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--accent);
}

.toggle-copy {
    color: var(--muted);
    font-size: 0.86rem;
    letter-spacing: 0;
    text-transform: none;
}

.primary-button,
.ghost-button {
    min-height: 40px;
    padding: 0 14px;
    border-radius: 6px;
    cursor: pointer;
}

.primary-button {
    border: 1px solid rgba(74, 222, 128, 0.2);
    background: rgba(16, 185, 129, 0.16);
    color: #125230;
    font-weight: 700;
}

.ghost-button {
    border: 1px solid var(--config-field-border);
    background: var(--config-field-background);
    color: var(--ink);
}

.map-popup {
    display: grid;
    gap: 10px;
    min-width: 320px;
}

.map-popup-tabs {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px;
    border: 1px solid var(--popup-border);
    border-radius: 999px;
    background: var(--time-chip-background);
}

.map-popup-tab {
    min-height: 28px;
    padding: 0 12px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.76rem;
    font-weight: 700;
}

.map-popup-tab.is-active {
    background: var(--popup-background);
    color: var(--popup-foreground);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.map-popup-section {
    display: grid;
    gap: 10px;
}

.map-popup-section[hidden] {
    display: none !important;
}

.map-popup-summary {
    display: grid;
    gap: 6px;
}

.map-popup-row {
    display: grid;
    grid-template-columns: minmax(84px, auto) 1fr;
    gap: 10px;
}

.map-popup-row dt {
    color: var(--muted);
    font-weight: 700;
}

.map-popup-row dd {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.map-popup-note {
    margin: 0;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.map-popup-json-disclosure {
    display: grid;
    gap: 8px;
}

.map-popup-json-summary {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
}

.map-popup-json-summary::-webkit-details-marker {
    display: none;
}

.map-popup-json-summary::marker {
    content: '';
}

.map-popup-json-summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 6px;
    transition: transform 160ms ease;
}

.map-popup-json-disclosure[open] .map-popup-json-summary::before {
    transform: rotate(90deg);
}

.map-popup-json,
.geojson-popup-json {
    margin: 0;
    padding: 12px;
    border-radius: 6px;
    background: var(--popup-code-background);
    color: var(--popup-code-foreground);
    border: 1px solid var(--popup-code-border);
    font-size: 0.74rem;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 240px;
    overflow: auto;
}

.map-popup-section.is-loading .map-popup-json-disclosure[open] .map-popup-json {
    min-height: 180px;
}

.geojson-popup-row {
    display: grid;
    grid-template-columns: minmax(72px, auto) 1fr;
    gap: 10px;
    align-items: start;
}

.geojson-popup-row dt {
    color: var(--muted);
    font-weight: 700;
}

.geojson-popup-row dd {
    margin: 0;
}

.geojson-map-marker img,
.geojson-map-marker div {
    display: block;
}

.maplibregl-popup {
    max-width: min(560px, calc(100vw - 32px));
    pointer-events: none;
}

.maplibregl-popup-content {
    padding: 14px;
    border-radius: 8px;
    border: 1px solid var(--popup-border);
    background: var(--popup-background);
    color: var(--popup-foreground);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.24);
    pointer-events: auto;
}

.maplibregl-popup-tip {
    border-top-color: var(--popup-background);
    pointer-events: none;
}

.maplibregl-popup-anchor-top .maplibregl-popup-tip {
    border-bottom-color: var(--popup-background);
}

.maplibregl-popup-anchor-left .maplibregl-popup-tip {
    border-right-color: var(--popup-background);
}

.maplibregl-popup-anchor-right .maplibregl-popup-tip {
    border-left-color: var(--popup-background);
}

.maplibregl-popup-close-button {
    -webkit-appearance: none;
    appearance: none;
    top: 8px;
    right: 8px;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    padding: 0 1px 0 0;
    border: 1px solid var(--popup-border);
    border-radius: 6px;
    background: var(--popup-background);
    color: var(--popup-foreground);
    box-shadow: 0 8px 18px rgba(16, 33, 50, 0.14);
    line-height: 1;
    pointer-events: auto;
    cursor: pointer;
}

.maplibregl-popup-close-button:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
}

.maplibregl-popup-close-button:active {
    background: var(--popup-background);
    border-color: var(--accent);
    color: var(--accent-dark);
}

.maplibregl-ctrl-top-left {
    top: 262px;
    left: 16px;
}

.maplibregl-ctrl-top-left .maplibregl-ctrl {
    margin: 0;
}

.maplibregl-ctrl-bottom-right {
    bottom: 102px;
    right: 108px;
}

.maplibregl-ctrl-group {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 10px 24px rgba(16, 33, 50, 0.12);
}

.maplibregl-ctrl-group:not(:empty) {
    box-shadow: 0 10px 24px rgba(16, 33, 50, 0.12);
}

.maplibregl-ctrl-group button {
    width: 37px;
    height: 38px;
    border: 0;
    background: var(--panel-strong);
    color: var(--ink);
}

.maplibregl-ctrl-group button + button {
    border-top: 1px solid var(--line);
}

.maplibregl-ctrl-group button:hover {
    background: var(--panel);
    color: var(--accent-dark);
}

.maplibregl-ctrl button .maplibregl-ctrl-icon {
    opacity: 0.88;
}

.maplibregl-ctrl button.maplibregl-ctrl-compass .maplibregl-ctrl-icon {
    filter: none;
}

@media (max-width: 980px) {
    .time-controls {
        grid-template-columns: 1fr;
        display: grid;
        align-items: start;
    }

    .slider-shell {
        order: 4;
    }

    .config-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    :root {
        --layer-panel-top: 12px;
        --layer-panel-right: 12px;
        --altitude-panel-right: 12px;
        --altitude-panel-stack-bottom: 218px;
        --altitude-panel-visual-offset: 20px;
    }

    .app-shell {
        min-height: 100dvh;
    }

    .map-section {
        min-height: 100dvh;
        height: 100dvh;
    }

    .brand-panel,
    .layer-panel,
    .status-panel,
    .altitude-panel,
    .time-panel {
        left: 12px;
        right: 12px;
    }

    .brand-panel {
        width: calc(100vw - 24px);
        top: 12px;
        min-height: 56px;
        padding: 8px 10px;
    }

    .status-panel {
        left: 12px;
        bottom: 156px;
        max-width: calc(100vw - 24px);
    }

    .brand-actions {
        left: 12px;
        top: 86px;
        gap: 6px;
    }

    .quick-adjust-panel {
        position: absolute;
        top: 0;
        width: 200px;
    }

    .layer-panel {
        width: calc(100vw - 24px);
    }

    .altitude-panel {
        left: auto;
        width: 92px;
    }

    .time-panel {
        bottom: 12px;
        padding: 14px 14px 12px;
    }

    .time-controls {
        grid-template-columns: minmax(0, 1fr) 44px auto;
        gap: 10px;
    }

    .time-primary {
        min-width: 0;
    }

    .slider-shell {
        grid-column: 1 / -1;
        order: 4;
    }

    .play-button {
        justify-self: end;
    }

    .time-range-group {
        justify-self: end;
    }

    .scroll-button {
        width: 38px;
        height: 38px;
    }

    .maplibregl-ctrl-top-left {
        top: 256px;
        left: 12px;
    }

    .maplibregl-popup-close-button {
        display: none;
    }
}

@media (max-width: 540px) {
    .brand-panel {
        gap: 10px;
    }

    .brand-icon {
        width: 38px;
        height: 38px;
    }

    .brand-title {
        font-size: 0.72rem;
    }

    .layer-groups {
        max-height: 240px;
    }

    .config-card {
        padding: 18px;
    }

    .field-inline {
        grid-template-columns: 1fr;
    }

    .toggle-row {
        flex-wrap: wrap;
    }

    .range-row {
        grid-template-columns: 1fr;
    }

    .map-popup-row,
    .geojson-popup-row {
        grid-template-columns: minmax(72px, auto) 1fr;
        gap: 8px;
    }
}