:root {
    --bg-color: #0a0a0c;
    --panel-bg: rgba(20, 20, 25, 0.7);
    --accent-cyan: #00f2ff;
    --accent-green: #39ff14;
    --accent-orange: #ffaa00;
    --accent-red: #ff3131;
    --text-main: #e0e0e0;
    --text-dim: #a0a0a0;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --neon-glow: 0 0 10px rgba(0, 242, 255, 0.5);
}

/* Light mode variables - activated by data-theme="light" on <html> */
[data-theme="light"] {
    --bg-color: #f0f4f8;
    --panel-bg: rgba(255, 255, 255, 0.75);
    --accent-cyan: #0077cc;
    --accent-green: #22aa44;
    --accent-orange: #e07800;
    --accent-red: #cc2200;
    --text-main: #1a1a2e;
    --text-dim: #555577;
    --glass-border: rgba(0, 0, 0, 0.1);
    --neon-glow: 0 0 10px rgba(0, 119, 204, 0.4);
}

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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    user-select: none; /* Prevent text selection like a native app */
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent; /* Remove the gray tap box on Android */
}

#app {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Map Styling */
#map {
    width: 100%;
    height: 100%;
    background: #000;
    will-change: transform;
    transform: translateZ(0);
}

.leaflet-container {
    background: #000 !important;
}

/* Hide Leaflet Attribution for cleaner look */
.leaflet-control-attribution {
    display: none;
}

/* Glassmorphism Panels */
.glass {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
}

/* Header */
#main-header {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    height: 60px;
    z-index: 1000;
    border-radius: 12px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.brand {
    color: var(--accent-cyan);
    text-shadow: var(--neon-glow);
}

.stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-item .label {
    font-size: 0.6rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.stat-item .value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-cyan);
}

/* Info Card */
#info-card {
    position: absolute;
    top: 100px;
    right: 20px;
    width: 320px;
    z-index: 1000;
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}

#info-card.hidden {
    transform: translateX(400px);
    opacity: 0;
    pointer-events: none;
}

/* Photo Container */
#card-photo-container {
    width: 100%;
    height: 180px;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
}

#card-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s;
}

#card-photo.loaded {
    opacity: 1;
}

.loader {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(0, 242, 255, 0.1);
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: absolute;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.card-header {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-header h2 {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
}

.hex-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: rgba(255,255,255,0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-dim);
}

.data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.data-item {
    display: flex;
    flex-direction: column;
}

.data-item .label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

.data-item .value {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-main);
}

.category-badge {
    margin-top: 20px;
    text-align: center;
    font-size: 0.7rem;
    padding: 4px;
    border-radius: 4px;
    background: rgba(0, 242, 255, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 242, 255, 0.2);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Map Controls */
#map-controls {
    position: absolute;
    bottom: 40px;
    right: 20px;
    z-index: 1000;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#map-controls button {
    background: none;
    border: none;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 16px; /* Larger for touch */
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.special-pulse {
    animation: special-pulse-animation 1.5s infinite;
}

@keyframes special-pulse-animation {
    0% { filter: drop-shadow(0 0 0px yellow); }
    50% { filter: drop-shadow(0 0 10px yellow); }
    100% { filter: drop-shadow(0 0 0px yellow); }
}

#map-controls button.active {
    color: var(--accent-cyan);
    background: rgba(0, 242, 255, 0.1);
}

#map-controls button:last-child {
    border-bottom: none;
}

#map-controls button:hover {
    background: rgba(255,255,255,0.1);
    color: var(--accent-cyan);
}

/* Filter Menu */
#filter-menu {
    position: absolute;
    bottom: 40px;
    right: 90px;
    width: 200px;
    z-index: 1000;
    border-radius: 12px;
    padding: 15px;
    transition: transform 0.3s, opacity 0.3s;
}

#filter-menu.hidden {
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
}

#filter-menu h3 {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 5px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.filter-btn.active {
    background: var(--accent-cyan);
    color: #000;
    font-weight: 600;
    box-shadow: var(--neon-glow);
}

/* Radar Sweep Effect */
#radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200vmax;
    height: 200vmax;
    background: conic-gradient(from 0deg, transparent 0%, rgba(57, 255, 20, 0.05) 50%, transparent 100%);
    border-radius: 50%;
    z-index: 500;
    pointer-events: none;
    transform: translate(-50%, -50%);
    animation: sweep 8s linear infinite;
    opacity: 0.4;
}

@keyframes sweep {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Aircraft Markers */
.aircraft-marker {
    transition: transform 1s linear;
    will-change: transform;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.aircraft-wrapper {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-origin: center center;
}

.aircraft-label {
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    color: var(--text-main) !important;
    font-family: var(--font-mono) !important;
    font-size: 0.7rem !important;
    text-shadow: 1px 1px 2px #000;
    pointer-events: none;
}

/* Pulse Effects */
.pulse-red {
    animation: pulse-red-anim 1s infinite alternate;
}

@keyframes pulse-red-anim {
    from { color: var(--accent-red); opacity: 1; }
    to { color: var(--accent-red); opacity: 0.4; }
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    #info-card {
        width: calc(100% - 24px);
        bottom: calc(12px + env(safe-area-inset-bottom));
        top: auto;
        left: 12px;
        right: 12px;
        border-radius: 24px;
        padding: 20px;
    }
    
    #info-card.hidden {
        transform: translateY(140%);
    }
    
    #main-header {
        top: env(safe-area-inset-top, 10px);
        left: 10px;
        right: 10px;
        height: 54px;
        padding: 0 15px;
        border-radius: 15px;
    }

    .logo {
        font-size: 1.1rem;
    }
    
    .stat-item .value {
        font-size: 1rem;
    }
    
    #map-controls {
        bottom: calc(12px + env(safe-area-inset-bottom));
        right: 12px;
        left: auto;
    }

    /* Move controls up if info card is visible */
    #info-card:not(.hidden) ~ #map-controls {
        bottom: calc(300px + env(safe-area-inset-bottom));
        transition: bottom 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
}

/* User Location Marker */
.user-marker {
    background: white;
    border: 3px solid var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-cyan), inset 0 0 5px var(--accent-cyan);
    animation: user-pulse 2s infinite;
}

@keyframes user-pulse {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(0.9); opacity: 1; }
}
