/* Word Search - Algorithm-specific styles */

/* Grid styling */
.grid-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.grid {
    display: inline-grid;
    gap: 3px;
    background: #333;
    padding: 3px;
    border-radius: 8px;
}

.grid-cell {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    border-radius: 4px;
    transition: all 0.2s ease;
    cursor: default;
    border: 2px solid transparent;
}

/* Cell states */
.grid-cell.default {
    background: #2a2a4a;
    color: #ddd;
}

.grid-cell.scanning {
    background: #3a3a2a;
    color: #ffaa00;
    border-color: #ffaa00;
    box-shadow: 0 0 10px rgba(255, 170, 0, 0.4);
}

.grid-cell.path {
    background: #1a2a3a;
    color: #00d9ff;
    border-color: #00d9ff;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

.grid-cell.current {
    background: #2a1a3a;
    color: #ff79c6;
    border-color: #ff79c6;
    box-shadow: 0 0 15px rgba(255, 121, 198, 0.6);
    animation: pulse 0.5s ease infinite;
}

.grid-cell.found {
    background: #1a3a2a;
    color: #00ff88;
    border-color: #00ff88;
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
}

.grid-cell.backtrack {
    animation: backtrackFlash 0.4s ease forwards;
}

@keyframes backtrackFlash {
    0% {
        background: #3a1a1a;
        border-color: #ff4444;
        color: #ff4444;
        box-shadow: 0 0 15px rgba(255, 68, 68, 0.8);
    }
    100% {
        background: #2a2a4a;
        border-color: transparent;
        color: #ddd;
        box-shadow: none;
    }
}

/* Word progress display */
.word-progress {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin: 15px 0 20px;
    min-height: 44px;
    align-items: center;
    flex-wrap: wrap;
}

.word-char {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    font-family: 'Courier New', monospace;
    border-radius: 6px;
    border: 2px solid #444;
    background: #2a2a4a;
    color: #888;
    transition: all 0.3s ease;
}

.word-char.matched {
    background: #1a3a2a;
    color: #00ff88;
    border-color: #00ff88;
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.word-char.active {
    background: #3a3a2a;
    color: #ffaa00;
    border-color: #ffaa00;
    box-shadow: 0 0 8px rgba(255, 170, 0, 0.4);
    animation: pulse 0.5s ease infinite;
}

/* Stack/Queue display */
.stack-display {
    margin: 20px 0;
}

.queue {
    min-height: 50px;
    background: #2a2a4a;
    border-radius: 8px;
    padding: 10px;
}

.queue-item {
    background: #3a3a5a;
    border: 1px solid #5a5a7a;
    color: #00d9ff;
}

.empty-text {
    color: #666;
}

/* Info panel layout */
.info-panel {
    grid-template-columns: repeat(4, 1fr);
}

/* Legend colors */
.legend-color.default-cell {
    background: #2a2a4a;
    border-color: #444;
}

.legend-color.scanning-cell {
    background: #3a3a2a;
    border-color: #ffaa00;
}

.legend-color.path-cell {
    background: #1a2a3a;
    border-color: #00d9ff;
}

.legend-color.current-cell {
    background: #2a1a3a;
    border-color: #ff79c6;
}

.legend-color.found-cell {
    background: #1a3a2a;
    border-color: #00ff88;
}

.legend-color.backtrack-cell {
    background: #3a1a1a;
    border-color: #ff4444;
}

/* Pulse animation */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 121, 198, 0.4);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 121, 198, 0.8);
    }
}

/* Ripple effect for DFS */
@keyframes ripple {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.ripple {
    animation: ripple 0.3s ease;
}

@media (max-width: 768px) {
    .info-panel {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cell {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .word-char {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
}