/* ============================================
   C2 OPERATIONS INTERFACE
   Palantir / Lattice inspired design language
   ============================================ */

:root {
    --c2-blue: #4a90e2;
    --c2-blue-dim: rgba(74, 144, 226, 0.6);
    --c2-blue-faint: rgba(74, 144, 226, 0.1);
    --c2-blue-muted: #3a6fa0;
    --c2-amber: #d4912a;
    --c2-amber-dim: rgba(212, 145, 42, 0.6);
    --c2-amber-bright: #e8a838;
    --c2-red: #c0392b;
    --c2-red-dim: rgba(192, 57, 43, 0.5);
    --c2-bg: #12151a;
    --c2-panel: rgba(18, 21, 26, 0.92);
    --c2-panel-solid: #181c23;
    --c2-border: rgba(74, 144, 226, 0.18);
    --c2-border-bright: rgba(74, 144, 226, 0.35);
    --c2-chrome: rgba(140, 155, 175, 0.25);
    --c2-chrome-text: rgba(140, 155, 175, 0.55);
    --c2-data: rgba(190, 205, 220, 0.75);
    --c2-active: #e8a838;
    --c2-text: rgba(210, 220, 230, 0.88);
    --c2-text-dim: rgba(160, 175, 190, 0.6);
    --c2-font: 'IBM Plex Mono', 'Consolas', 'Menlo', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Skip navigation — visually hidden until focused */
.skip-nav {
    position: fixed;
    top: -100%;
    left: 8px;
    z-index: 99999;
    padding: 6px 12px;
    background: var(--c2-blue);
    color: #fff;
    font-family: var(--c2-font);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 2px;
    transition: top 0.15s;
}

.skip-nav:focus {
    top: 8px;
}

/* Global focus-visible ring — keyboard only, not on mouse click */
:focus-visible {
    outline: 2px solid var(--c2-blue);
    outline-offset: 2px;
}

/* Remove default focus ring on mouse click but preserve for keyboard */
:focus:not(:focus-visible) {
    outline: none;
}

/* Higher-contrast ring for buttons and role=button elements */
button:focus-visible,
[role="button"]:focus-visible,
a:focus-visible {
    outline: 2px solid var(--c2-blue);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Checkbox/radio focus */
input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
    outline: 2px solid var(--c2-blue);
    outline-offset: 2px;
}

/* Range slider focus */
input[type="range"]:focus-visible {
    outline: 2px solid var(--c2-blue);
    outline-offset: 2px;
}

/* Text input focus */
input[type="text"]:focus-visible,
input[type="search"]:focus-visible {
    outline: 2px solid var(--c2-blue);
    outline-offset: 0;
    border-color: var(--c2-blue) !important;
}

body {
    font-family: var(--c2-font);
    background: var(--c2-bg);
    color: var(--c2-data);
    height: 100vh;
    display: flex;
    overflow: hidden;
}

/* ============================================
   LAYOUT
   ============================================ */

.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.main-container.full-map {
    flex-direction: column;
}

.main-container.full-map .map-container {
    width: 100%;
    height: 100%;
}

.map-container {
    flex: 1;
    position: relative;
    height: 100%;
}

#cesiumContainer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--c2-bg);
}

/* Cesium viewer fills container */
.cesium-viewer,
.cesium-viewer-cesiumWidgetContainer,
.cesium-cesiumWidget,
.cesium-widget,
.cesium-widget canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Hide Cesium default UI elements */
.cesium-viewer-toolbar,
.cesium-viewer-animationContainer,
.cesium-viewer-timelineContainer,
.cesium-viewer-bottom,
.cesium-viewer-fullscreenContainer,
.cesium-viewer-vrContainer,
.cesium-viewer-geocoderContainer,
.cesium-viewer-infoBoxContainer,
.cesium-viewer-selectionIndicatorContainer {
    display: none !important;
}

.cesium-widget-credits {
    display: none !important;
}

/* ============================================
   HUD OVERLAYS
   ============================================ */

/* Subtle grid overlay - blue-grey tones */
.hud-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(rgba(74, 144, 226, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 144, 226, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    z-index: 501;
}

/* Remove scanlines - real systems don't have them */
.hud-scanlines {
    display: none;
}

/* Corner brackets - structural chrome, dimmest layer */
.hud-corners {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 502;
}

.hud-corner {
    position: absolute;
    width: 32px;
    height: 32px;
}

.hud-corner.tl {
    top: 6px;
    left: 6px;
    border-top: 1px solid var(--c2-chrome);
    border-left: 1px solid var(--c2-chrome);
}

.hud-corner.tr {
    top: 6px;
    right: 6px;
    border-top: 1px solid var(--c2-chrome);
    border-right: 1px solid var(--c2-chrome);
}

.hud-corner.bl {
    bottom: 6px;
    left: 6px;
    border-bottom: 1px solid var(--c2-chrome);
    border-left: 1px solid var(--c2-chrome);
}

.hud-corner.br {
    bottom: 6px;
    right: 6px;
    border-bottom: 1px solid var(--c2-chrome);
    border-right: 1px solid var(--c2-chrome);
}

/* ============================================
   HUD HEADER
   ============================================ */

.hud-header {
    position: absolute;
    top: 0;
    left: 320px;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
    padding: 0 20px;
    background: var(--c2-panel-solid);
    border-bottom: 1px solid var(--c2-border);
    z-index: 1000;
    pointer-events: none;
    transition: left 0.25s ease;
}

.hud-title-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

h1.hud-title {
    margin: 0;
}

.hud-title {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 5px;
    color: rgba(190, 205, 220, 0.85);
    text-transform: uppercase;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8), 0 0 12px rgba(0, 0, 0, 0.5);
}

/* Kill the glitch effect - real systems don't glitch */
.glitch::before,
.glitch::after {
    display: none;
}

/* Classification badge - thin border, no fill, no rotation */
.classified-stamp {
    font-size: 0.55rem;
    font-weight: 500;
    color: rgba(192, 57, 43, 0.75);
    border: 1px solid rgba(192, 57, 43, 0.5);
    padding: 2px 10px;
    letter-spacing: 3px;
    transform: none;
    opacity: 1;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.hud-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hud-live {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--c2-amber);
    letter-spacing: 2px;
}

.live-dot {
    width: 6px;
    height: 6px;
    background: var(--c2-amber);
    border-radius: 50%;
    animation: pulse-amber 2s infinite;
}

@keyframes pulse-amber {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hud-clock {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--c2-chrome-text);
    letter-spacing: 2px;
}

/* ============================================
   SIDEBAR TOGGLE
   ============================================ */

.sidebar-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 30px;
    height: 30px;
    background: none;
    border: 1px solid transparent;
    border-radius: 0;
    cursor: pointer;
    padding: 0;
    pointer-events: auto;
    transition: background 0.15s;
    flex-shrink: 0;
}

.sidebar-toggle.visible {
    display: flex;
}

.sidebar-toggle:hover {
    background: var(--c2-blue-faint);
    border-color: var(--c2-border-bright);
}

.hamburger-line {
    display: block;
    width: 16px;
    height: 1.5px;
    background: var(--c2-data);
    transition: transform 0.2s, opacity 0.2s;
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    background: var(--c2-panel-solid);
    border-right: 1px solid var(--c2-border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    font-family: var(--c2-font);
    pointer-events: auto;
    transition: transform 0.25s ease;
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    height: 40px;
    padding: 0 14px;
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--c2-chrome-text);
    text-transform: uppercase;
    border-bottom: 1px solid var(--c2-border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-collapse-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 26px;
    height: 26px;
    background: none;
    border: 1px solid transparent;
    border-radius: 0;
    cursor: pointer;
    padding: 0;
    transition: all 0.15s;
}

.sidebar-collapse-btn:hover {
    background: var(--c2-blue-faint);
    border-color: var(--c2-border-bright);
}

.sidebar-collapse-btn .hamburger-line {
    width: 14px;
    height: 1.5px;
}

.sidebar-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Accordion */
.accordion-section {
    border-bottom: 1px solid var(--c2-border);
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
}

.accordion-header:hover {
    background: var(--c2-blue-faint);
}

.accordion-header:focus-visible {
    outline: 2px solid var(--c2-blue);
    outline-offset: -2px;
    background: var(--c2-blue-faint);
}

.accordion-chevron {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    transition: transform 0.2s;
    color: var(--c2-chrome-text);
}

.accordion-section.open > .accordion-header .accordion-chevron {
    transform: rotate(90deg);
}

/* Toggle switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 28px;
    height: 14px;
    flex-shrink: 0;
    cursor: pointer;
}

.toggle-switch .accordion-toggle {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--c2-border-bright);
    border-radius: 7px;
    transition: all 0.2s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    width: 10px;
    height: 10px;
    background: var(--c2-chrome-text);
    border-radius: 50%;
    transition: all 0.2s;
}

.accordion-toggle:checked + .toggle-slider {
    background: var(--c2-blue-faint);
    border-color: var(--c2-blue);
}

.accordion-toggle:checked + .toggle-slider::after {
    left: 15px;
    background: var(--c2-blue);
}

.accordion-toggle:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: wait;
}

.accordion-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.accordion-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.accordion-label {
    flex: 1;
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--c2-text-dim);
    min-width: 0;
}

.accordion-section.open > .accordion-header .accordion-label,
.accordion-header:hover .accordion-label {
    color: var(--c2-data);
}

.accordion-count {
    font-size: 0.55rem;
    font-weight: 400;
    color: var(--c2-chrome-text);
    margin-left: auto;
    flex-shrink: 0;
}

.accordion-age {
    font-size: 0.5rem;
    font-weight: 400;
    flex-shrink: 0;
    display: none;
}

.accordion-age.stale-warn {
    display: inline;
    color: #ffb300;
}

.accordion-age.stale-old {
    display: inline;
    color: #ff6d00;
}

.accordion-body {
    display: none;
    padding: 4px 12px 10px;
}

.accordion-section.open > .accordion-body {
    display: block;
}

/* Accordion description */
.accordion-desc {
    font-size: 0.6rem;
    color: var(--c2-chrome-text);
    line-height: 1.5;
    margin-bottom: 8px;
    opacity: 0.7;
}

.accordion-source {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.55rem;
    color: var(--c2-accent);
    text-decoration: none;
    opacity: 0.8;
    letter-spacing: 0.03em;
}

.accordion-source:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Accordion search */
.accordion-search {
    width: 100%;
    padding: 6px 10px 6px 26px;
    background: rgba(0, 0, 0, 0.3);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238c9baf' stroke-opacity='0.45' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 7px center;
    border: 1px solid var(--c2-border);
    border-radius: 0;
    color: var(--c2-data);
    font-size: 0.65rem;
    font-family: var(--c2-font);
    letter-spacing: 1px;
    margin-bottom: 8px;
    transition: border-color 0.2s;
}

.accordion-search::placeholder {
    color: var(--c2-chrome-text);
    letter-spacing: 1.5px;
}

.accordion-search:focus {
    border-color: var(--c2-blue-muted);
}

/* Accordion list */
.accordion-list {
    max-height: calc(100vh - 300px);
    overflow-y: auto;
}

.accordion-list-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px solid rgba(74, 144, 226, 0.06);
}

.accordion-list-item:last-child {
    border-bottom: none;
}

.accordion-list-item:hover {
    background: var(--c2-blue-faint);
}

.accordion-list-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.accordion-list-name {
    font-size: 0.6rem;
    font-weight: 400;
    color: var(--c2-data);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.accordion-list-sub {
    font-size: 0.52rem;
    font-weight: 400;
    color: var(--c2-text-dim);
    flex-shrink: 0;
}

.accordion-no-results {
    padding: 6px 0;
    text-align: center;
    color: var(--c2-chrome-text);
    font-size: 0.58rem;
    letter-spacing: 1px;
}

/* Basemap thumbnail grid */
.basemap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    padding: 2px 0 4px;
}

.basemap-option {
    cursor: pointer;
    border-radius: 3px;
    border: 1px solid var(--c2-border);
    overflow: hidden;
    transition: border-color 0.15s;
    display: flex;
    flex-direction: column;
    background: var(--c2-bg-deep);
}

.basemap-option:hover {
    border-color: var(--c2-blue-muted);
}

.basemap-option.active {
    border-color: var(--c2-blue);
    box-shadow: 0 0 0 1px var(--c2-blue);
}

.basemap-thumb-wrap {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: #111;
}

.basemap-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.basemap-label {
    font-size: 0.45rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 2px 2px;
    color: var(--c2-text-dim);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.basemap-option.active .basemap-label {
    color: var(--c2-data);
}

/* Seismic magnitude filter */
.accordion-filter {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.accordion-filter-label {
    font-size: 0.55rem;
    color: var(--c2-chrome-text);
    letter-spacing: 1px;
    white-space: nowrap;
}

.accordion-filter-value {
    font-size: 0.6rem;
    color: var(--c2-blue);
    font-weight: 500;
    min-width: 24px;
}

.accordion-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 2px;
    background: var(--c2-border);
    cursor: pointer;
}

.accordion-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    background: var(--c2-blue);
    border-radius: 50%;
    cursor: pointer;
}

/* Category filter chips (plane-alert) */
.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
    max-height: 80px;
    overflow-y: auto;
}

.cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    color: var(--c2-chrome-text);
    font-size: 0.5rem;
    font-family: var(--c2-font);
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-transform: uppercase;
}

.cat-chip:hover {
    border-color: var(--chip-color, #ff6d00);
    color: var(--chip-color, #ff6d00);
}

.cat-chip.active {
    background: rgba(255, 109, 0, 0.15);
    background: color-mix(in srgb, var(--chip-color, #ff6d00) 15%, transparent);
    border-color: var(--chip-color, #ff6d00);
    color: var(--chip-color, #ff6d00);
}

.cat-chip-count {
    font-size: 0.45rem;
    opacity: 0.6;
}

/* Filter bar (inline vessel-type filter in search results) */
.accordion-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px 0 8px;
}

.filter-map-btn {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    color: var(--c2-chrome-text);
    font-size: 0.5rem;
    font-family: var(--c2-font);
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-transform: uppercase;
}

.filter-map-btn:hover {
    border-color: var(--c2-blue);
    color: var(--c2-blue);
}

.filter-map-btn.active {
    background: var(--c2-blue-faint);
    border-color: var(--c2-blue);
    color: var(--c2-blue);
}

/* Unified filter section */
.filter-section {
    border-top: 1px solid var(--c2-border);
    padding-top: 6px;
    margin-bottom: 6px;
}

.filter-section:empty {
    display: none;
}

.filter-group {
    margin-bottom: 6px;
}

.filter-group-label {
    display: block;
    font-size: 0.48rem;
    color: var(--c2-chrome-text);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 3px;
    font-weight: 500;
}

.filter-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    color: var(--c2-chrome-text);
    font-size: 0.48rem;
    font-family: var(--c2-font);
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-transform: uppercase;
}

.filter-chip:hover {
    border-color: var(--chip-color, var(--c2-blue));
    color: var(--chip-color, var(--c2-blue));
}

.filter-chip.active {
    background: color-mix(in srgb, var(--chip-color, var(--c2-blue)) 15%, transparent);
    border-color: var(--chip-color, var(--c2-blue));
    color: var(--chip-color, var(--c2-blue));
}

.filter-chip-count {
    font-size: 0.42rem;
    opacity: 0.6;
}

.filter-chip-hidden {
    display: none;
}

.filter-chip-row.expanded .filter-chip-hidden {
    display: inline-flex;
}

.filter-chip-more {
    border-style: dashed;
    opacity: 0.7;
}

.filter-chip-more:hover {
    opacity: 1;
}

/* Weather sublayer toggles */
.weather-sublayers {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
    margin-bottom: 6px;
}

.weather-sublayer-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 0.55rem;
    letter-spacing: 0.5px;
    color: var(--c2-chrome-text);
}

.weather-sublayer-toggle input[type="radio"] {
    width: 12px;
    height: 12px;
    accent-color: #29b6f6;
    cursor: pointer;
}

.weather-sublayer-label {
    text-transform: uppercase;
}

/* Weather legend overlay */
.weather-legend {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 14, 20, 0.85);
    border: 1px solid rgba(74, 144, 226, 0.3);
    border-radius: 4px;
    padding: 6px 14px 8px;
    z-index: 100;
    min-width: 200px;
    max-width: 320px;
    pointer-events: none;
}

.weather-legend-title {
    font-size: 0.5rem;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-bottom: 4px;
    font-family: var(--c2-font);
}

.weather-legend-bar {
    height: 10px;
    border-radius: 2px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.weather-legend-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 2px;
    font-size: 0.45rem;
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--c2-font);
    letter-spacing: 0.5px;
}

/* Interesting aircraft list items */
.accordion-list-item.interesting .accordion-list-name {
    color: #ff6d00;
}

.accordion-list-item.interesting .accordion-list-sub {
    color: rgba(255, 109, 0, 0.7);
}

.accordion-list-live {
    font-size: 0.45rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #00e676;
    background: rgba(0, 230, 118, 0.12);
    border: 1px solid rgba(0, 230, 118, 0.3);
    padding: 0 4px;
    flex-shrink: 0;
}

/* ============================================
   LEGEND
   ============================================ */

.legend {
    position: absolute;
    bottom: 16px;
    right: 10px;
    background: var(--c2-panel);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 14px;
    border: 1px solid var(--c2-border);
    border-radius: 0;
    z-index: 1000;
}

.legend h4 {
    font-size: 0.55rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--c2-chrome-text);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 5px;
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--c2-text-dim);
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.legend-dot.free {
    background: var(--c2-blue);
}

.legend-dot.moderate {
    background: var(--c2-amber);
}

.legend-dot.heavy {
    background: var(--c2-red);
}

.legend-dot.unknown {
    background: rgba(140, 155, 175, 0.3);
}


/* ============================================
   AUTH BUTTON
   ============================================ */

.auth-control {
    position: absolute;
    bottom: 0px;
    right: 0px;
    z-index: 1000;
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--c2-panel);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid var(--c2-chrome);
    border-left: 1px solid var(--c2-chrome);
    border-right: none;
    border-bottom: none;
    border-radius: 0;
    color: var(--c2-chrome-text);
    text-decoration: none;
    transition: all 0.15s;
}

.auth-btn:hover {
    background: var(--c2-blue-faint);
    border-left-color: var(--c2-blue-muted);
    border-top-color: var(--c2-blue-muted);
    color: var(--c2-data);
}

.auth-btn.logged-in {
    color: var(--c2-blue);
    border-left-color: var(--c2-blue-muted);
    border-top-color: var(--c2-blue-muted);
}

.auth-btn.logged-in:hover {
    background: rgba(192, 57, 43, 0.1);
    border-left-color: var(--c2-red);
    border-top-color: var(--c2-red);
    color: var(--c2-red);
}

.auth-btn svg {
    width: 15px;
    height: 15px;
}

/* ============================================
   POPUP MODAL
   ============================================ */

.camera-info-panel {
    position: absolute;
    top: 70px;
    right: 16px;
    width: 440px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    background: var(--c2-panel-solid);
    border: 1px solid var(--c2-border-bright);
    border-radius: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    font-family: var(--c2-font);
    z-index: 200;
    pointer-events: auto;
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.15s ease;
}

.camera-info-panel.active {
    transform: translateX(0);
    opacity: 1;
}

.camera-info-close {
    position: absolute;
    top: 6px;
    right: 8px;
    width: 26px;
    height: 26px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    color: var(--c2-chrome-text);
    font-size: 18px;
    line-height: 24px;
    text-align: center;
    cursor: pointer;
    z-index: 100;
    transition: all 0.15s;
    font-family: var(--c2-font);
}

.camera-info-close:hover {
    background: var(--c2-blue-faint);
    color: var(--c2-data);
}

/* ============================================
   POPUP CONTENT
   ============================================ */

.popup-compact {
    width: 100%;
    position: relative;
}

.popup-content {
    padding: 0;
}

/* Image Section */
.popup-image-wrapper {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.popup-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.7);
}

/* No scanline on image */
.popup-image-wrapper::after {
    display: none;
}

.popup-image-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--c2-chrome-text);
    font-size: 0.65rem;
    gap: 4px;
}

.popup-image-placeholder svg {
    stroke: var(--c2-chrome-text);
}

.image-timestamp {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--c2-data);
    padding: 2px 8px;
    border: 1px solid var(--c2-border);
    border-radius: 0;
    font-size: 0.65rem;
    font-family: var(--c2-font);
    font-weight: 400;
    z-index: 10;
    letter-spacing: 1px;
}

/* Header overlay on image */
.popup-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 10px 14px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    z-index: 10;
}

.popup-header-text {
    flex: 1;
    padding-right: 50px;
}

.popup-title {
    font-size: 0.82rem;
    font-weight: 500;
    color: #fff;
    margin: 0;
    line-height: 1.3;
    letter-spacing: 0.5px;
}

.popup-subtitle {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--c2-text-dim);
    margin-top: 2px;
    letter-spacing: 0.5px;
}

.popup-settings-btn {
    width: 26px;
    height: 26px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c2-chrome-text);
    text-decoration: none;
    transition: all 0.15s;
    flex-shrink: 0;
}

.popup-settings-btn:hover {
    background: var(--c2-blue-faint);
    color: var(--c2-data);
}

.popup-settings-btn svg {
    width: 14px;
    height: 14px;
}

/* Stats overlay on image bottom */
.popup-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    gap: 4px;
    padding: 8px 8px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
    z-index: 10;
}

.stat-card {
    flex: 1;
    padding: 5px 8px;
    border-radius: 0;
    border: 1px solid;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.stat-card.current {
    border-color: var(--c2-blue-muted);
}

.stat-card.average {
    border-color: rgba(212, 145, 42, 0.4);
}

.stat-card.peak {
    border-color: rgba(192, 57, 43, 0.4);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}

.stat-header svg {
    width: 11px;
    height: 11px;
    opacity: 0.6;
}

.stat-card.current .stat-header svg {
    color: var(--c2-blue);
}

.stat-card.average .stat-header svg {
    color: var(--c2-amber);
}

.stat-card.peak .stat-header svg {
    color: var(--c2-red);
}

.stat-label {
    font-size: 0.45rem;
    font-weight: 500;
    color: var(--c2-chrome-text);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.1;
    font-family: var(--c2-font);
}

.stat-card.current .stat-value {
    color: var(--c2-blue);
}

.stat-card.average .stat-value {
    color: var(--c2-amber);
}

.stat-card.peak .stat-value {
    color: var(--c2-red);
}

/* Body section */
.popup-body {
    padding: 8px 10px 10px;
    background: var(--c2-panel-solid);
}

/* Segment selector */
.popup-segment-selector {
    display: flex;
    gap: 3px;
    padding: 0 0 6px;
    flex-wrap: wrap;
}

.segment-chip {
    padding: 3px 10px;
    border: 1px solid var(--c2-border);
    border-radius: 0;
    background: transparent;
    color: var(--c2-chrome-text);
    font-size: 0.6rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.1s;
    font-family: var(--c2-font);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.segment-chip:hover {
    border-color: var(--c2-blue-muted);
    color: var(--c2-data);
}

.segment-chip.active {
    background: var(--c2-blue-faint);
    border-color: var(--c2-blue-muted);
    color: var(--c2-blue);
}

/* Chart section */
.popup-chart-section {
    margin-bottom: 0;
}

.popup-graph-mini {
    width: 100%;
    height: 110px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    overflow: hidden;
}

/* Loading state */
.chart-loading {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--c2-chrome-text);
    font-size: 0.6rem;
    font-weight: 400;
    height: 100%;
    letter-spacing: 1px;
}

.loading-spinner {
    width: 12px;
    height: 12px;
    border: 1.5px solid rgba(74, 144, 226, 0.15);
    border-top-color: var(--c2-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.no-data-message {
    color: var(--c2-chrome-text);
    font-size: 0.58rem;
    text-align: center;
    padding: 8px;
    letter-spacing: 1px;
}

/* Camera tabs */
.camera-tabs {
    position: absolute;
    bottom: 75px;
    left: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    z-index: 15;
}

.camera-tab {
    flex: 1;
    padding: 5px 8px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--c2-border);
    border-radius: 0;
    color: var(--c2-chrome-text);
    font-size: 0.6rem;
    font-weight: 500;
    font-family: var(--c2-font);
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 1px;
}

.camera-tab:hover {
    background: var(--c2-blue-faint);
    border-color: var(--c2-blue-muted);
    color: var(--c2-data);
}

.camera-tab.active {
    background: var(--c2-blue-faint);
    border-color: var(--c2-blue-muted);
    color: var(--c2-blue);
    border-left: 2px solid var(--c2-blue);
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--c2-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--c2-border);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--c2-blue-dim);
}


/* ---------------------------------------------------------------------------
   Entity Info Panel (left side slide-in)
   --------------------------------------------------------------------------- */

.entity-info-panel {
    position: absolute;
    top: 70px;
    left: 330px;
    width: 290px;
    transition: left 0.25s ease, transform 0.2s ease, opacity 0.15s ease;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    background: var(--c2-panel-solid);
    border: 1px solid var(--c2-border-bright);
    border-radius: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    font-family: var(--c2-font);
    z-index: 200;
    pointer-events: auto;
    transform: translateX(-120%);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.15s ease;
}

.entity-info-panel.active {
    transform: translateX(0);
    opacity: 1;
}

.entity-info-close {
    position: absolute;
    top: 6px;
    right: 8px;
    background: none;
    border: none;
    color: var(--c2-chrome-text);
    font-size: 18px;
    cursor: pointer;
    z-index: 1;
    line-height: 1;
    padding: 0 4px;
    font-family: var(--c2-font);
}

.entity-info-close:hover {
    color: var(--c2-red);
}

.entity-info-body {
    padding: 12px;
}

/* Header */
.ei-header {
    border-left: 2px solid var(--c2-blue);
    padding-left: 10px;
    margin-bottom: 12px;
}

.ei-not-airborne {
    background: rgba(255, 109, 0, 0.12);
    border: 1px solid rgba(255, 109, 0, 0.4);
    color: #ff6d00;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-align: center;
    padding: 6px 10px;
    margin-bottom: 10px;
}

.ei-badge {
    display: inline-block;
    font-size: 0.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #000;
    padding: 2px 8px;
    border-radius: 0;
    margin-bottom: 5px;
}

.ei-title {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: #fff;
    letter-spacing: 0.5px;
    word-break: break-word;
}

/* Primary stats */
.ei-stats {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 10px;
    border: 1px solid var(--c2-border);
    border-radius: 0;
    overflow: hidden;
}

.ei-stat {
    display: flex;
    justify-content: space-between;
    padding: 5px 10px;
    border-bottom: 1px solid var(--c2-border);
}

.ei-stat:last-child {
    border-bottom: none;
}

.ei-stat-label {
    font-size: 0.5rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--c2-chrome-text);
    text-transform: uppercase;
}

.ei-stat-value {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--c2-blue);
    text-align: right;
}

/* Detail rows */
.ei-details {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ei-detail {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 4px 0;
    border-bottom: 1px solid rgba(74, 144, 226, 0.06);
}

.ei-detail:last-child {
    border-bottom: none;
}

.ei-detail-label {
    font-size: 0.6rem;
    font-weight: 400;
    color: var(--c2-chrome-text);
    letter-spacing: 0.5px;
}

.ei-detail-value {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--c2-data);
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

.ei-link {
    display: block;
    margin-top: 8px;
    font-size: 0.58rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--c2-blue);
    text-decoration: none;
    text-transform: uppercase;
    padding: 5px 0;
    border-top: 1px solid var(--c2-border);
}

.ei-link:hover {
    color: #fff;
}
/* ============================================
   TARGET MARKER
   ============================================ */

.target-marker {
    position: absolute;
    width: 80px;
    height: 80px;
    pointer-events: none;
    z-index: 500;
    transform: translate(-50%, -50%);
    display: none;
}

.target-marker.active {
    display: block;
}

.tm-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--c2-active);
    border-style: solid;
    border-width: 0;
    transition: all 0.2s;
    animation: target-pulse 2s infinite;
}

.tm-corner.tl {
    top: 0;
    left: 0;
    border-top-width: 2px;
    border-left-width: 2px;
}

.tm-corner.tr {
    top: 0;
    right: 0;
    border-top-width: 2px;
    border-right-width: 2px;
}

.tm-corner.bl {
    bottom: 0;
    left: 0;
    border-bottom-width: 2px;
    border-left-width: 2px;
}

.tm-corner.br {
    bottom: 0;
    right: 0;
    border-bottom-width: 2px;
    border-right-width: 2px;
}

@keyframes target-pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* Reservoir fill level bars */
.reservoir-levels {
    margin-bottom: 8px;
    padding: 6px 0;
}

.reservoir-level-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.rlb-label {
    font-size: 0.5rem;
    color: var(--c2-chrome-text);
    letter-spacing: 0.5px;
    min-width: 38px;
    text-align: right;
}

.rlb-track {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid var(--c2-border);
}

.rlb-fill {
    height: 100%;
    border-radius: 3px;
    background: #40c4ff;
    transition: width 0.6s ease, background 0.4s ease;
}

.rlb-pct {
    font-size: 0.55rem;
    color: var(--c2-data);
    min-width: 42px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.rlb-change {
    font-size: 0.45rem;
    margin-left: 2px;
}

.rlb-change.up { color: #76ff03; }
.rlb-change.down { color: #ff6d00; }

.reservoir-areas {
    margin-top: 2px;
}

.reservoir-areas .reservoir-level-bar {
    margin-bottom: 2px;
}

.reservoir-areas .rlb-label {
    font-size: 0.45rem;
    min-width: 30px;
}

.reservoir-areas .rlb-track {
    height: 4px;
}

.reservoir-areas .rlb-pct {
    font-size: 0.5rem;
    min-width: 50px;
}

/* ============================================
   HUD LOADING INDICATOR
   ============================================ */

.hud-loader {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 900;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    pointer-events: none;
}

.hud-loader-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(12, 14, 18, 0.88);
    border: 1px solid var(--c2-border-bright);
    border-left: 3px solid var(--c2-blue);
    padding: 10px 20px;
    font-family: var(--c2-font);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--c2-blue);
    text-transform: uppercase;
    backdrop-filter: blur(12px);
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.15), inset 0 0 30px rgba(74, 144, 226, 0.03);
    animation: hud-loader-in 0.25s ease-out;
}

.hud-loader-item.removing {
    animation: hud-loader-out 0.3s ease-in forwards;
}

.hud-loader-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(74, 144, 226, 0.2);
    border-top-color: var(--c2-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes hud-loader-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes hud-loader-out {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(8px); }
}