:root {
    --bg-color: #0b0d12;
    --panel-bg: rgba(20, 24, 30, 0.85);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #ff4d4d;
    --safe-color: #4dff88;
    --font-family: 'Inter', sans-serif;
}

body {
    margin: 0;
    overflow: hidden;
    background-color: var(--bg-color);
    font-family: var(--font-family);
    color: var(--text-primary);
}

#container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 20px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
    pointer-events: auto;
}

.header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.subtitle {
    margin: 5px 0 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.back-button {
    margin-bottom: 10px;
}

.btn-back {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s;
}

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

/* Stats Panel */
.stats-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    gap: 20px;
    pointer-events: auto;
}

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

.stat-item .label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-item .value {
    font-size: 20px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.value.casualty { color: var(--accent-color); }
.value.status { color: #4dabff; font-size: 16px; }

/* Risk Analysis Panel */
.risk-panel {
    position: absolute;
    top: 100px;
    right: 20px;
    background: rgba(20, 24, 30, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    width: 200px;
    pointer-events: auto;
    transition: opacity 0.3s;
}

.risk-panel h4 {
    margin: 0 0 10px;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 5px;
}

.risk-legend {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.legend-item {
    font-size: 13px;
    display: flex;
    align-items: center;
}

.risk-note {
    font-size: 10px;
    color: #888;
    margin-top: 10px;
    font-style: italic;
}

.dot.warning { background: #ffcc00; }

/* Controls Panel (Sidebar) */
.controls-panel {
    position: absolute;
    top: 80px;
    left: 20px;
    width: 300px;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    pointer-events: auto;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.control-group {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.control-group:last-of-type {
    border-bottom: none;
}

.control-group h3 {
    margin: 0 0 15px;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

label {
    display: block;
    font-size: 12px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

input[type="range"] {
    flex: 1;
    accent-color: var(--accent-color);
    background: rgba(255,255,255,0.1);
    height: 4px;
    border-radius: 2px;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-primary);
    cursor: pointer;
}

.slider-container span {
    font-size: 12px;
    width: 50px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.select-style {
    width: 100%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 5px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 12px;
}

.select-style option {
    background: #1a1a1a;
    color: white;
}

.control-toggle {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}
.control-toggle input {
    margin-right: 8px;
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

button {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: #ff3333;
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
}

.explanation {
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.explanation h4 {
    color: var(--text-primary);
    margin: 0 0 8px;
}

.explanation ul {
    padding-left: 20px;
    margin: 8px 0;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 5px;
}
.dot.safe { background: var(--safe-color); }
.dot.danger { background: var(--accent-color); }
.dot.smoke { background: #888; }

/* Mobile FAB */
.mobile-fab {
    display: none;
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    background: var(--panel-bg);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 100;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        background: linear-gradient(to bottom, rgba(0,0,0,0.9) 0%, transparent 100%);
        padding: 15px;
    }
    
    .stats-panel {
        top: auto;
        bottom: 80px; /* Above FAB */
        right: 20px;
        left: 20px;
        justify-content: space-around;
        background: rgba(10, 10, 15, 0.9);
    }

    .controls-panel {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        width: 100%;
        height: auto;
        max-height: 70vh;
        border-radius: 20px 20px 0 0;
        transform: translateY(110%); /* Hidden by default */
        box-sizing: border-box;
        z-index: 90;
    }

    .controls-panel.visible {
        transform: translateY(0);
    }

    .mobile-fab {
        display: flex;
    }
}