/* Labs page styles */

.lab-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.lab-card-placeholder {
    background: #fff;
    border-radius: 12px;
    border: 1px dashed #ced4da;
    box-shadow: none;
}

.typing-sample {
    background: #f8f9fa;
    font-family: 'Courier New', monospace;
    font-size: 1.05rem;
    line-height: 1.6;
    border: 1px solid #e9ecef;
}

.palette-swatch {
    width: 90px;
    height: 90px;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 6px;
    cursor: pointer;
    transition: transform 0.15s ease;
}

.palette-swatch:hover {
    transform: translateY(-3px);
}

.palette-swatch span {
    background: rgba(255, 255, 255, 0.85);
    color: #212529;
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
    padding: 2px 6px;
    border-radius: 4px;
}

@media (max-width: 576px) {
    .palette-swatch {
        width: 70px;
        height: 70px;
    }
}

/* Take a Short Break / Snake */
.lab-card-break {
    background: #fff;
    border: 1px solid #e9ecef;
}

.snake-canvas {
    background: #0f1115;
    border-radius: 8px;
    max-width: 100%;
    touch-action: none;
    outline-offset: 3px;
}

.snake-canvas:focus-visible {
    outline: 3px solid #0d6efd;
}

.snake-dpad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.snake-dpad-btn {
    width: 44px;
    height: 44px;
}

/* Sorting Algorithm Visualizer */
.sort-visualizer {
    display: flex;
    align-items: flex-end;
    height: 260px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 8px 4px 0;
    gap: 1px;
    overflow: hidden;
}
.sort-bar {
    background: #0d6efd;
    border-radius: 2px 2px 0 0;
    min-height: 2px;
    transition: height 0.15s ease, background-color 0.15s ease;
}
.sort-bar-compare { background: #ffc107; }
.sort-bar-swap { background: #dc3545; }
.sort-bar-sorted { background: #198754; }
.sort-legend-swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 4px;
    vertical-align: middle;
}
.sort-legend-default { background: #0d6efd; }
.sort-legend-compare { background: #ffc107; }
.sort-legend-swap { background: #dc3545; }
.sort-legend-sorted { background: #198754; }