/* ==========================================================================
   Satellite GPS Tracker Dashboard - Modern Dark UI Design System
   ========================================================================== */

:root {
    --bg-main: #0a0e17;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-card-hover: rgba(31, 41, 55, 0.95);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(14, 165, 233, 0.3);

    --primary-cyan: #06b6d4;
    --primary-blue: #0ea5e9;
    --accent-emerald: #10b981;
    --cellular-indigo: #6366f1;
    --warning-amber: #f59e0b;
    --danger-red: #ef4444;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.25);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* App Layout */
.app-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* Header */
.app-header {
    height: 64px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    position: relative;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(99, 102, 241, 0.2));
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.live-pulse {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-emerald);
    animation: beaconPulse 2s infinite;
}

@keyframes beaconPulse {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.5; }
    100% { transform: scale(0.9); opacity: 1; }
}

.brand-info h1 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.brand-info .subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

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

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.custom-select {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
}

.custom-select:focus, .custom-select:hover {
    border-color: var(--primary-cyan);
}

.connection-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.12);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.connection-badge.offline {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger-red);
    border-color: rgba(239, 68, 68, 0.3);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
}

/* Main Body Split */
.main-body {
    display: flex;
    flex: 1;
    height: calc(100vh - 64px);
    overflow: hidden;
}

/* Map Section */
.map-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: #000;
}

/* Filter Bar */
.filter-bar {
    height: 48px;
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 500;
}

.preset-buttons, .layer-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-preset, .btn-layer {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-preset:hover, .btn-layer:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn-preset.active, .btn-layer.active {
    background: rgba(6, 182, 212, 0.15);
    color: var(--primary-cyan);
    border-color: var(--primary-cyan);
    font-weight: 600;
}

/* Custom Range Collapse Panel */
.custom-range-panel {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    z-index: 501;
    animation: slideDown 0.2s ease-out;
}

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

.custom-range-panel.hidden {
    display: none;
}

.range-inputs {
    display: flex;
    align-items: center;
    gap: 12px;
}

.input-field {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.custom-input {
    background: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    outline: none;
}

.custom-input:focus {
    border-color: var(--primary-cyan);
}

/* Map Wrapper */
.map-wrapper {
    flex: 1;
    position: relative;
    width: 100%;
}

#map {
    width: 100%;
    height: 100%;
    z-index: 10;
}

.map-legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    box-shadow: var(--shadow-subtle);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-dot.starlink { background: var(--primary-cyan); box-shadow: 0 0 8px var(--primary-cyan); }
.legend-dot.cellular { background: var(--cellular-indigo); box-shadow: 0 0 8px var(--cellular-indigo); }
.legend-dot.start { background: var(--accent-emerald); }
.legend-dot.current { background: #ff0055; box-shadow: 0 0 8px #ff0055; }

/* Playback Control Bar */
.playback-bar {
    height: 60px;
    background: rgba(17, 24, 39, 0.92);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 16px;
    z-index: 500;
}

.playback-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--primary-cyan);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s, background 0.2s;
}

.btn-icon-circle:hover {
    transform: scale(1.05);
    background: #22d3ee;
}

.btn-icon-subtle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
}

.btn-icon-subtle:hover {
    color: var(--text-primary);
}

.speed-selector {
    position: relative;
}

.btn-speed {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.speed-menu {
    position: absolute;
    bottom: 40px;
    left: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-subtle);
    display: flex;
    flex-direction: column;
    z-index: 600;
    min-width: 120px;
}

.speed-menu.hidden {
    display: none;
}

.speed-menu button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 12px;
    font-size: 12px;
    text-align: left;
    cursor: pointer;
}

.speed-menu button:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.slider-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.playback-slider {
    width: 100%;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: #334155;
    outline: none;
    cursor: pointer;
}

.playback-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-cyan);
    box-shadow: 0 0 10px var(--primary-cyan);
    cursor: pointer;
}

.playback-hud {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

.toggle-control {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Sidebar */
.sidebar {
    width: 360px;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px;
    overflow-y: auto;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-subtle);
    backdrop-filter: blur(12px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.status-pill {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-counter {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
}

/* Telemetry Grid */
.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px;
}

.telemetry-item {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.telemetry-label {
    font-size: 11px;
    color: var(--text-muted);
}

.telemetry-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.telemetry-value.highlight-cyan {
    color: var(--primary-cyan);
}

.coord-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.coord-label {
    font-size: 11px;
    color: var(--text-muted);
}

.coord-value {
    font-family: monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-blue);
}

.coord-time {
    font-size: 11px;
    color: var(--text-muted);
}

/* Metrics List */
.metrics-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.metric-title {
    color: var(--text-secondary);
}

.metric-number {
    font-weight: 700;
    color: var(--text-primary);
}

/* Redundancy Progress Stack */
.redundancy-breakdown {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.breakdown-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
}

.progress-bar-stacked {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}

.bar-segment.starlink {
    background: var(--primary-cyan);
    transition: width 0.3s;
}

.bar-segment.cellular {
    background: var(--cellular-indigo);
    transition: width 0.3s;
}

/* Export Buttons */
.export-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.export-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-cyan);
    color: #000;
}

.btn-primary:hover {
    background: #22d3ee;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-outline {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
}

.btn-outline:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.hidden {
    display: none !important;
}

/* Custom Marker Styling */
.current-marker-pin {
    position: relative;
    width: 24px;
    height: 24px;
    background: #ff0055;
    border: 3px solid #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 15px #ff0055;
}

.current-marker-pulse {
    position: absolute;
    top: -12px;
    left: -12px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid #ff0055;
    animation: markerRadar 1.8s infinite;
}

@keyframes markerRadar {
    0% { transform: scale(0.4); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .main-body {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: 320px;
    }
}

/* 500m Precision Zoom Button */
.btn-focus-500m {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(99, 102, 241, 0.25)) !important;
    border: 1px solid var(--starlink-cyan) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.3);
    transition: all 0.2s ease;
}

.btn-focus-500m:hover {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.45), rgba(99, 102, 241, 0.45)) !important;
    box-shadow: 0 0 18px rgba(6, 182, 212, 0.5);
    transform: translateY(-1px);
}

/* Refresh Spinning Animation */
.spin-animation {
    animation: spinRotate 0.8s linear infinite;
}

@keyframes spinRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}