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

:root {
    --bg-dark: #0a0c10;
    --bg-panel: #0f1218;
    --bg-card: #151a23;
    --border-color: #1f2937;
    --border-glow: #4a9eff;
    --text-primary: #e8eaed;
    --text-secondary: #9ca3af;
    --text-dim: #4b5563;
    --accent-green: #22c55e;
    --accent-cyan: #4a9eff;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --accent-yellow: #eab308;
    --accent-amber: #d4a853;
    --grid-line: rgba(74, 158, 255, 0.08);
    --radar-cyan: #4a9eff;
    --radar-bg: #0f1218;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated radar sweep background */
.radar-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Scan line effect - subtle */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    animation: scan 6s linear infinite;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.3;
}

@keyframes scan {
    0% {
        top: -4px;
    }

    100% {
        top: 100vh;
    }
}

/* Header */
.header {
    position: relative;
    z-index: 10;
    padding: 12px 20px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-primary);
    text-transform: uppercase;
}

.logo span {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 14px;
    margin-left: 15px;
    letter-spacing: 2px;
}

.status-bar {
    display: flex;
    gap: 20px;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.inactive {
    background: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Stats badges in header */
.stats-badges {
    display: flex;
    gap: 12px;
}

.stat-badge {
    background: rgba(74, 158, 255, 0.1);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 4px;
    padding: 4px 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.stat-badge .value {
    color: var(--accent-cyan);
    font-weight: 600;
}

.stat-badge .label {
    color: var(--text-secondary);
    margin-left: 4px;
}

.datetime {
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    color: var(--accent-cyan);
}

.back-link {
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 11px;
    padding: 4px 10px;
    border: 1px solid var(--accent-cyan);
    border-radius: 4px;
}

/* Main dashboard grid */
.dashboard {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 340px;
    grid-template-rows: 1fr auto;
    gap: 0;
    height: calc(100vh - 60px);
    min-height: 500px;
}

/* Panels */
.panel {
    background: var(--bg-panel);
    border: 1px solid rgba(74, 158, 255, 0.2);
    overflow: hidden;
    position: relative;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.panel-header {
    padding: 10px 15px;
    background: rgba(74, 158, 255, 0.05);
    border-bottom: 1px solid rgba(74, 158, 255, 0.1);
    font-family: 'Orbitron', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-indicator {
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Main display container (map + radar scope) */
.main-display {
    grid-column: 1;
    grid-row: 1;
    position: relative;
}

.display-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#radarMap {
    width: 100%;
    height: 100%;
    display: block;
}

#radarScope {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    background: var(--radar-bg);
}

#radarScope.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

#radarCanvas {
    max-width: 100%;
    max-height: 100%;
}

/* Right sidebar */
.sidebar {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(74, 158, 255, 0.2);
    overflow: hidden;
}

/* View toggle */
.view-toggle {
    display: flex;
    padding: 10px;
    gap: 8px;
    background: var(--bg-panel);
    border-bottom: 1px solid rgba(74, 158, 255, 0.2);
}

.view-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid rgba(74, 158, 255, 0.3);
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Orbitron', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.view-btn.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-dark);
}

/* Selected aircraft panel */
.selected-aircraft {
    flex-shrink: 0;
    max-height: 280px;
    overflow-y: auto;
}

.selected-info {
    padding: 12px;
}

.selected-callsign {
    font-family: 'Orbitron', monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-cyan);
    text-shadow: 0 0 15px var(--accent-cyan);
    text-align: center;
    margin-bottom: 12px;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.telemetry-item {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    padding: 8px;
    border-left: 2px solid var(--accent-cyan);
}

.telemetry-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.telemetry-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent-cyan);
}

/* Aircraft list */
.aircraft-list {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.aircraft-list-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.aircraft-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(74, 158, 255, 0.15);
    border-radius: 4px;
    padding: 8px 10px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.aircraft-item:hover {
    border-color: var(--accent-cyan);
    background: rgba(74, 158, 255, 0.05);
}

.aircraft-item.selected {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(74, 158, 255, 0.2);
    background: rgba(74, 158, 255, 0.1);
}

.aircraft-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.aircraft-callsign {
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-cyan);
}

.aircraft-icao {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-secondary);
    background: rgba(74, 158, 255, 0.1);
    padding: 2px 5px;
    border-radius: 3px;
}

.aircraft-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    font-size: 10px;
}

.aircraft-detail {
    text-align: center;
}

.aircraft-detail-value {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-cyan);
    font-size: 11px;
}

.aircraft-detail-label {
    color: var(--text-secondary);
    font-size: 8px;
    text-transform: uppercase;
}

/* Bottom controls bar */
.controls-bar {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    padding: 8px 15px;
    background: var(--bg-panel);
    border-top: 1px solid rgba(74, 158, 255, 0.3);
    font-size: 11px;
    overflow-x: auto;
}

.controls-bar label {
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
    cursor: pointer;
}

.controls-bar select,
.controls-bar input[type="text"],
.controls-bar input[type="number"] {
    padding: 3px 5px;
    font-size: 10px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-primary);
}

.control-group input[type="checkbox"] {
    accent-color: var(--accent-cyan);
}

.control-group select {
    padding: 6px 10px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 4px;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.control-group input[type="text"] {
    width: 80px;
    padding: 6px 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 4px;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.control-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

/* Start/stop button */
.start-btn {
    padding: 8px 20px;
    border: 1px solid var(--accent-cyan);
    background: rgba(74, 158, 255, 0.1);
    color: var(--accent-cyan);
    font-family: 'Orbitron', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: auto;
}

.start-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.3);
}

.start-btn.active {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: #fff;
}

.start-btn.active:hover {
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.3);
}

/* GPS button */
.gps-btn {
    padding: 6px 10px;
    background: rgba(74, 158, 255, 0.2);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 4px;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    cursor: pointer;
}

/* Leaflet overrides */
.leaflet-container {
    background: var(--bg-dark) !important;
}

.leaflet-tile-pane,
.leaflet-container .leaflet-tile-pane {
    filter: invert(1) hue-rotate(180deg) brightness(0.8) contrast(1.2) !important;
}

.leaflet-control-zoom a {
    background: var(--bg-panel) !important;
    color: var(--accent-cyan) !important;
    border-color: var(--border-color) !important;
}

.leaflet-control-attribution {
    background: rgba(0, 0, 0, 0.7) !important;
    color: var(--text-secondary) !important;
    font-size: 9px !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 3px;
}

/* No aircraft message */
.no-aircraft {
    text-align: center;
    padding: 30px 15px;
    color: var(--text-secondary);
}

.no-aircraft-icon {
    font-size: 36px;
    margin-bottom: 10px;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 1000px) {
    .dashboard {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto auto;
    }

    .main-display {
        min-height: 400px;
    }

    .sidebar {
        grid-column: 1;
        grid-row: 2;
        border-left: none;
        border-top: 1px solid rgba(74, 158, 255, 0.2);
        max-height: 300px;
    }

    .controls-bar {
        grid-row: 3;
        flex-wrap: wrap;
    }
}
/* Airband Audio Controls */
.airband-divider {
    width: 1px;
    height: 20px;
    background: var(--accent-cyan);
    opacity: 0.4;
    margin: 0 5px;
    flex-shrink: 0;
}

.airband-controls {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.airband-btn {
    padding: 6px 12px;
    background: rgba(74, 158, 255, 0.1);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    flex-shrink: 0;
    white-space: nowrap;
}

.airband-btn:hover {
    background: rgba(74, 158, 255, 0.2);
}

.airband-btn.active {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.airband-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.airband-icon {
    font-size: 10px;
}

.airband-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 0 8px;
}

#airbandSquelch {
    accent-color: var(--accent-cyan);
}

/* Airband Audio Visualizer */
.airband-visualizer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    border-left: 1px solid var(--border-color);
    margin-left: 5px;
}

.airband-visualizer .signal-meter {
    width: 80px;
}

.airband-visualizer .meter-bar {
    height: 10px;
    background: linear-gradient(90deg, 
        var(--accent-green) 0%, 
        var(--accent-green) 60%, 
        var(--accent-orange) 60%, 
        var(--accent-orange) 80%, 
        var(--accent-red) 80%, 
        var(--accent-red) 100%
    );
    border-radius: 3px;
    position: relative;
    overflow: hidden;
    opacity: 0.3;
}

.airband-visualizer .meter-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, 
        var(--accent-green) 0%, 
        var(--accent-green) 60%, 
        var(--accent-orange) 60%, 
        var(--accent-orange) 80%, 
        var(--accent-red) 80%, 
        var(--accent-red) 100%
    );
    border-radius: 3px;
    width: 0%;
    transition: width 0.05s ease-out;
}

.airband-visualizer .meter-peak {
    position: absolute;
    top: 0;
    height: 100%;
    width: 2px;
    background: #fff;
    opacity: 0.8;
    transition: left 0.05s ease-out;
    left: 0%;
}

#airbandSpectrumCanvas {
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.4);
}

/* GPS Indicator */
.gps-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid #22c55e;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    color: #22c55e;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gps-indicator .gps-dot {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: gps-pulse 2s ease-in-out infinite;
}

@keyframes gps-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}