:root {
    --bg: #0a0c14;
    --bg-panel: #12152a;
    --border: #1e2440;
    --text: #c8d0e8;
    --text-dim: #6a7098;
    --accent: #00ffc8;
    --accent-dim: rgba(0, 255, 200, 0.15);
    --danger: #ff4444;
}

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

body {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

.app {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: auto 1fr;
    height: 100vh;
}

/* Header */
header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
}

header h1 span {
    color: var(--text-dim);
    font-weight: 400;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 11px;
}

#data-source {
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 3px;
}

#data-source.live {
    color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

#data-source.simulated {
    color: var(--text-dim);
    background: rgba(106, 112, 152, 0.1);
    border: 1px solid rgba(106, 112, 152, 0.3);
}

#status {
    color: var(--text-dim);
}

/* Control Panel */
.panel {
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
}

.panel-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-section h3 {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-bottom: 4px;
}

/* Play Button */
#play-btn {
    width: 100%;
    padding: 14px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(0, 255, 200, 0.3);
    border-radius: 6px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: all 0.15s;
}

#play-btn:hover {
    background: rgba(0, 255, 200, 0.25);
}

#play-btn.active {
    background: rgba(0, 255, 200, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 200, 0.15);
}

/* Sliders */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-dim);
}

.slider-label .value {
    color: var(--accent);
    font-weight: 600;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Stats */
.stat {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    padding: 4px 0;
}

.stat .label {
    color: var(--text-dim);
}

.stat .value {
    color: var(--text);
    font-weight: 600;
}

/* Buttons */
.btn-small {
    font-family: inherit;
    font-size: 10px;
    padding: 6px 10px;
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: all 0.15s;
}

.btn-small:hover {
    color: var(--text);
    border-color: var(--text-dim);
}

.btn-row {
    display: flex;
    gap: 6px;
}

/* Legend */
.legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    font-size: 9px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

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

/* Map area */
.map-container {
    position: relative;
    overflow: hidden;
}

#map-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* How it works info */
.info-text {
    font-size: 10px;
    color: var(--text-dim);
    line-height: 1.5;
}

.info-text strong {
    color: var(--text);
}

/* Responsive */
@media (max-width: 700px) {
    .app {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }
    .panel {
        border-right: none;
        border-bottom: 1px solid var(--border);
        flex-direction: row;
        flex-wrap: wrap;
        padding: 10px;
        gap: 10px;
    }
    .panel-section {
        min-width: 140px;
    }
    .hide-mobile {
        display: none;
    }
}