/* Point Cloud Processing Styles */

.pointcloud-section {
    min-height: 100vh;
    padding: 100px 0 60px;
    background: var(--background-color);
}

.pointcloud-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.pointcloud-header {
    text-align: center;
    margin-bottom: 40px;
}

.pointcloud-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pointcloud-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.pointcloud-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 30px;
    margin-bottom: 40px;
}

/* Canvas Container */
.canvas-container {
    position: relative;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--secondary-color);
    box-shadow: var(--shadow-lg);
}

#pointcloud-canvas {
    display: block;
    width: 100%;
    height: auto;
    background: var(--background-color);
    cursor: grab;
}

#pointcloud-canvas:active {
    cursor: grabbing;
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 16px;
    pointer-events: none;
}

.view-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.control-btn {
    pointer-events: auto;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.control-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.view-help {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border: 1px solid var(--border-light);
}

.render-info {
    background: var(--background-color);
    padding: 16px;
    border-top: 2px solid var(--secondary-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.info-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* Controls Panel */
.controls-panel {
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-lg);
    padding: 0;
    border: 2px solid var(--secondary-color);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    max-height: 600px;
}

.controls-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-color);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tab-btn {
    flex: 1;
    padding: 12px 8px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover {
    color: var(--text-secondary);
    background: rgba(229, 37, 33, 0.08);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--secondary-color);
    background: var(--surface-color);
}

.tab-content {
    display: none;
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.tab-content.active {
    display: block;
}

.controls-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-light);
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: all 0.3s;
}

.control-group input[type="range"]::-moz-range-thumb:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.control-group select {
    width: 100%;
    padding: 10px 12px;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.control-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.control-group input[type="checkbox"] {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.control-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

.full-width {
    width: 100%;
}

.info-box {
    background: rgba(255, 215, 0, 0.1);
    border-left: 3px solid var(--secondary-color);
    padding: 12px;
    border-radius: 6px;
    margin-top: 16px;
}

.info-box h4 {
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.info-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 8px;
}

.info-box p:last-child {
    margin-bottom: 0;
}

/* Performance Chart */
.performance-chart {
    background: var(--background-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
}

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

.metrics-table {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
}

#metrics-table {
    width: 100%;
    border-collapse: collapse;
}

#metrics-table th {
    background: var(--background-color);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 12px 8px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

#metrics-table td {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 10px 8px;
    border-bottom: 1px solid var(--border-light);
}

#metrics-table tr:last-child td {
    border-bottom: none;
}

#metrics-table .no-data {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
}

/* Information Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.info-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.info-card h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.info-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.info-card li::before {
    content: "🍄";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .pointcloud-content {
        grid-template-columns: 1fr;
    }
    
    .controls-panel {
        max-height: none;
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pointcloud-title {
        font-size: 2rem;
    }
    
    .pointcloud-subtitle {
        font-size: 1rem;
    }
    
    .controls-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        font-size: 0.75rem;
        padding: 10px 6px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .info-section {
        grid-template-columns: 1fr;
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: 2px solid var(--secondary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--accent-color);
    color: #fff;
    border: 2px solid #2E7D32;
}

.btn-secondary:hover {
    background: #388E3C;
    color: #fff;
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}