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

:root {
    --sidebar-width: 340px;
    --header-height: 60px;
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --accent: #e94560;
    --accent-hover: #ff6b6b;
    --border: #2a2a4a;
    
    --color-construction: #8b5cf6;
    --color-messages: #ec4899;
    --color-bikes: #22d3ee;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    overflow-y: auto;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.sidebar-header .subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.control-panel {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

.control-panel h2 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    margin-top: 20px;
}

.control-panel h2:first-child {
    margin-top: 0;
}

.layer-toggles, .viz-modes {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toggle-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    transition: background 0.2s;
}

.toggle-item:hover {
    background: var(--bg-tertiary);
}

.toggle-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.color-dot.construction { background: var(--color-construction); }
.color-dot.messages { background: var(--color-messages); }
.color-dot.bikes { background: var(--color-bikes); }

.btn {
    flex: 1;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.btn-primary {
    background: #3b82f6;
    border-color: #3b82f6;
}

.btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
}

.btn-refresh {
    width: 100%;
    margin-top: 12px;
    background: var(--accent);
    border-color: var(--accent);
}

.btn-refresh:hover {
    background: var(--accent-hover);
}

.status-panel {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.status-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.status-info p {
    margin-bottom: 4px;
}

.status-info .value {
    color: var(--text-primary);
}

.map-container {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
}

.legend {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    z-index: 1000;
    min-width: 160px;
}

.legend h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-color {
    width: 16px;
    height: 10px;
    border-radius: 2px;
}

.legend-note {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.legend-section {
    margin-top: 12px;
}

.legend-gradient {
    height: 10px;
    border-radius: 2px;
    background: linear-gradient(to right, #22c55e, #84cc16, #eab308, #f97316, #ef4444);
}

.legend-gradient-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.legend-border {
    background: transparent;
    border: 2px solid;
}

.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin: 8px 0;
    font-size: 0.85rem;
}

.control-row select {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 8px;
}

.leaflet-container {
    background: var(--bg-primary);
}

.leaflet-control-zoom {
    border: 1px solid var(--border) !important;
}

.leaflet-control-zoom a {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border) !important;
}

.leaflet-control-zoom a:hover {
    background: var(--bg-tertiary) !important;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 8px;
}

.leaflet-popup-tip {
    background: var(--bg-secondary);
}

.leaflet-popup-content {
    margin: 12px 16px;
    font-size: 0.9rem;
}

.marker-cluster {
    background: rgba(233, 69, 96, 0.4);
}

.marker-cluster div {
    background: var(--accent);
    color: white;
    font-weight: 600;
}

.custom-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid white;
    font-size: 12px;
    font-weight: 600;
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.marker-construction { background: var(--color-construction); }
.marker-messages { background: var(--color-messages); }
.marker-bikes { background: var(--color-bikes); }
.marker-path { background: var(--accent); }
.marker-route-start { background: #22c55e; }
.marker-route-stop { background: #3b82f6; }
.marker-route-end { background: #ef4444; }

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-tertiary);
}

@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        left: -100%;
        z-index: 1001;
        transition: left 0.3s ease;
    }
    

}

.point-weight-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    z-index: 1000;
    min-width: 160px;
}

.point-weight-panel h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.point-weight-panel #pw-weight {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.point-weight-panel #pw-obstacles {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.path-panel {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.path-upload {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 10px;
}

.path-upload label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.path-upload input[type="file"] {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.path-or {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 12px 0;
}

.path-inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

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

.node-input label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-width: 100px;
}

.node-input input {
    flex: 1;
    padding: 8px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.node-input input:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-remove-node {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;
    border-radius: 4px;
}

.btn-remove-node:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.btn-add-node {
    width: 100%;
    background: var(--bg-primary);
    border: 1px dashed var(--border);
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.btn-add-node:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.path-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.path-buttons .btn {
    flex: 1;
}

.path-buttons .btn-secondary {
    background: var(--bg-primary);
}

.path-result {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 10px;
    background: var(--bg-primary);
    border-radius: 6px;
}

.path-result .path-weight {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

.path-result .edge-weights {
    margin-top: 8px;
    font-size: 0.8rem;
}

.path-result .loading {
    color: var(--accent);
    animation: pulse 1s infinite;
}

.route-success {
    font-size: 1.1rem;
    font-weight: 700;
    color: #22c55e;
}

.route-distance {
    font-size: 1.3rem;
    font-weight: 700;
    color: #3b82f6;
}

.route-distance-weighted {
    font-size: 1.2rem;
    font-weight: 700;
    color: #f59e0b;
}

.routing-options {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 6px;
    margin: 15px 0;
    border-left: 3px solid var(--accent);
}

.routing-options h3 {
    margin: 0 0 10px 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.routing-options label {
    display: block;
    margin: 8px 0;
    font-size: 0.85rem;
}

.routing-options select,
.routing-options input[type="number"] {
    width: 100%;
    padding: 6px 8px;
    margin-top: 4px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.routing-options select:focus,
.routing-options input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.feature-weights {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 8px;
}

.weight-control {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
}

.weight-control .weight-enable {
    margin-bottom: 6px;
}

.weight-slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.weight-slider {
    flex: 1;
    accent-color: var(--accent);
    cursor: pointer;
}

.weight-slider:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.weight-value {
    min-width: 2.2em;
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--accent);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}