:root {
    --bg-primary: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-glass: rgba(30, 41, 59, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);
    --accent-amber: #f59e0b;
    --accent-amber-glow: rgba(245, 158, 11, 0.3);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-primary);
    font-family: var(--font-sans);
    color: var(--text-primary);
    user-select: none;
}

.top-bar {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    height: 48px;
    background: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

.brand-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.brand-badge {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--accent-amber-glow);
    color: var(--accent-amber);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(245, 158, 11, 0.25);
    letter-spacing: 0.5px;
}

.dimension-selector {
    display: flex;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px;
    gap: 2px;
}

.dim-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.dim-btn.active {
    background: var(--accent-amber);
    color: #0f172a;
    box-shadow: 0 2px 8px var(--accent-amber-glow);
}

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

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.action-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

.map-viewport {
    width: 100vw;
    height: 100vh;
    background: var(--bg-primary);
}

.leaflet-container {
    background-color: #090d16 !important;
}

.leaflet-tile {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.hud-overlay {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 14px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

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

.hud-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.hud-value {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}