.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.lab-card {
    display: block;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--color-border, #eee);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s, transform 0.2s;
}

.lab-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.lab-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.lab-card p {
    font-size: 13px;
    color: var(--color-text-secondary, #666);
    line-height: 1.5;
}

.lab-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-primary-bg, #FFF0F2);
    color: var(--color-primary, #FF2442);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
}

.lab-zone {
    margin: 24px 0;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--color-border, #eee);
    border-radius: 12px;
}

.lab-zone h2 {
    font-size: 18px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border, #eee);
}

.lab-hint {
    background: #f0f7ff;
    border-left: 3px solid #4a90d9;
    padding: 8px 12px;
    font-size: 13px;
    color: #2c5282;
    margin-bottom: 16px;
    border-radius: 0 4px 4px 0;
}

.lab-hint code {
    background: #e2e8f0;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 12px;
}

.lab-element {
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    margin: 8px 0;
}

.product-grid, .book-list, .task-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.product-card, .book-item, .task-item {
    flex: 1;
    min-width: 180px;
    padding: 16px;
    border: 1px solid var(--color-border, #eee);
    border-radius: 8px;
}

.product-card.featured {
    border-color: var(--color-primary, #FF2442);
    background: var(--color-primary-bg, #FFF0F2);
}

.lab-form {
    max-width: 500px;
}

.lab-form .form-group {
    margin-bottom: 14px;
}

.lab-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}

.lab-form input[type="text"],
.lab-form input[type="email"],
.lab-form input[type="password"],
.lab-form textarea,
.lab-form select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 6px;
    font-size: 14px;
}

.lab-form button {
    padding: 8px 20px;
    border: 1px solid var(--color-primary, #FF2442);
    background: var(--color-primary, #FF2442);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    margin-right: 8px;
}

.lab-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.lab-controls button {
    padding: 6px 14px;
    border: 1px solid var(--color-border, #ddd);
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}

.lab-alert {
    padding: 10px 16px;
    border-radius: 6px;
    margin: 8px 0;
    font-size: 14px;
}

.lab-alert.error { background: #fee; color: #c00; border: 1px solid #fcc; }
.lab-alert.success { background: #efe; color: #060; border: 1px solid #cfc; }
.lab-alert.info { background: #eef; color: #006; border: 1px solid #ccf; }

.field-error {
    color: #c00;
    font-size: 12px;
    margin-top: 2px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.gallery-item {
    border: 1px solid var(--color-border, #eee);
    border-radius: 8px;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.gallery-info {
    padding: 8px;
}

.gallery-title {
    font-size: 13px;
    margin-bottom: 4px;
    line-height: 1.3;
}

.gallery-likes {
    font-size: 12px;
    color: var(--color-primary, #FF2442);
}

.gallery-category {
    font-size: 11px;
    color: var(--color-text-secondary, #999);
    margin-left: 8px;
}

.infinite-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--color-border, #eee);
    border-radius: 8px;
}

.infinite-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border, #f0f0f0);
}

.infinite-item h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.infinite-item p {
    font-size: 12px;
    color: var(--color-text-secondary, #999);
}

.infinite-loader {
    text-align: center;
    padding: 16px;
    color: var(--color-text-secondary, #999);
}

.progress-container {
    height: 24px;
    background: #eee;
    border-radius: 12px;
    overflow: hidden;
    margin: 12px 0;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary, #FF2442);
    color: #fff;
    font-size: 12px;
    line-height: 24px;
    text-align: center;
    transition: width 0.1s;
    border-radius: 12px;
}

.progress-complete {
    background: #4CAF50;
}

pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
}

pre code {
    background: none;
    padding: 0;
}