/* Pathfinding Visualizer Styles */

.breadcrumb {
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 60px;
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.visualizer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.visualizer-header {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 40px;
}

.header-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.visualizer-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.visualizer-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.algorithm-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.tag {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: white;
}

.tag.javascript { background: #f59e0b; }
.tag.astar { background: #3b82f6; }
.tag.dijkstra { background: #10b981; }
.tag.bfs { background: #8b5cf6; }
.tag.graph { background: #ef4444; }

/* Control Section */
.control-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
}

.control-section h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    text-align: center;
}

.algorithm-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.algo-btn {
    padding: 12px 20px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: inherit;
}

.algo-btn:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.algo-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.algo-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.algo-btn.active .algo-desc {
    color: rgba(255, 255, 255, 0.9);
}

/* Control Panel */
.control-panel {
    display: flex;
    gap: 15px;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.control-btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-family: inherit;
}

.control-btn.start {
    background: #10b981;
}

.control-btn.start:hover {
    background: #059669;
    transform: translateY(-2px);
}

.control-btn.stop {
    background: #dc2626;
}

.control-btn.stop:hover {
    background: #991b1b;
    transform: translateY(-2px);
}

.control-btn.reset {
    background: #6b7280;
}

.control-btn.reset:hover {
    background: #4b5563;
    transform: translateY(-2px);
}

.control-btn.clear {
    background: #f59e0b;
}

.control-btn.clear:hover {
    background: #d97706;
    transform: translateY(-2px);
}

.control-btn.maze {
    background: #8b5cf6;
}

.control-btn.maze:hover {
    background: #7c3aed;
    transform: translateY(-2px);
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.speed-control input {
    width: 150px;
}

/* Grid Container */
.grid-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.grid {
    display: grid;
    grid-template-columns: repeat(40, 20px);
    grid-template-rows: repeat(25, 20px);
    gap: 1px;
    background: var(--border-color);
    padding: 10px;
    margin: 0 auto;
    width: fit-content;
}

.cell {
    width: 20px;
    height: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.1s;
}

.cell.start { 
    background: #3b82f6; 
    border-color: #2563eb;
}

.cell.goal { 
    background: #ef4444; 
    border-color: #dc2626;
}

.cell.wall { 
    background: var(--text-primary); 
    border-color: var(--text-primary);
}

.cell.visited { 
    background: #86efac; 
    animation: visitedAnimation 0.5s;
}

.cell.path { 
    background: #a78bfa;
    animation: pathAnimation 0.3s;
}

@keyframes visitedAnimation {
    0% {
        transform: scale(0.3);
        background: #22c55e;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        background: #86efac;
    }
}

@keyframes pathAnimation {
    0% {
        transform: scale(0.3);
        background: #8b5cf6;
    }
    100% {
        transform: scale(1);
        background: #a78bfa;
    }
}

/* Dark theme adjustments */
[data-theme="dark"] .cell {
    background: #1f2937;
}

[data-theme="dark"] .cell.wall {
    background: #e5e7eb;
}

[data-theme="dark"] .cell.visited {
    background: #065f46;
    opacity: 0.8;
}

[data-theme="dark"] .cell.path {
    background: #7c3aed;
}

/* Stats Container */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Legend */
.legend-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.legend-container h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    text-align: center;
}

.legend-items {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.legend-box {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-color);
}

.legend-box.start { background: #3b82f6; }
.legend-box.goal { background: #ef4444; }
.legend-box.wall { background: var(--text-primary); }
.legend-box.visited { background: #86efac; }
.legend-box.current { background: #fbbf24; }
.legend-box.path { background: #a78bfa; }

[data-theme="dark"] .legend-box.wall { background: #e5e7eb; }
[data-theme="dark"] .legend-box.visited { background: #065f46; }
[data-theme="dark"] .legend-box.path { background: #7c3aed; }

/* Instructions */
.instructions-container {
    margin-bottom: 40px;
}

.instructions-container h2 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 25px;
}

.instruction-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.instruction-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.instruction-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.instruction-card ul {
    color: var(--text-secondary);
    padding-left: 20px;
}

.instruction-card li {
    margin-bottom: 8px;
}

/* Comparison Section */
.comparison-section {
    margin-top: 50px;
}

.comparison-section h2 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 30px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.comparison-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
}

.comparison-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.comparison-card p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.comparison-card strong {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .visualizer-header h1 {
        font-size: 1.8rem;
    }
    
    .grid {
        transform: scale(0.8);
        transform-origin: center;
    }
    
    .algorithm-buttons {
        flex-direction: column;
    }
    
    .algo-btn {
        width: 100%;
    }
}