/**
 * Dataset Comparison Page Styles
 */

/* Example Pairs Section */
.examples-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.examples-section h2 {
    margin: 0 0 0.5rem 0;
    color: #333;
    font-size: 1.5rem;
}

.examples-description {
    margin: 0 0 1.5rem 0;
    color: #666;
    font-size: 0.95rem;
}

.example-pairs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.example-card {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 2px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.example-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    transform: translateY(-2px);
}

.example-datasets {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.dataset-name {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
    flex: 0 1 auto;
}

.vs-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--secondary-color);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 50%;
    flex-shrink: 0;
}

.example-description {
    margin-bottom: 1rem;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

.example-btn {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.example-btn:hover {
    background-color: #1e5ec8;
}

.example-btn:active {
    transform: scale(0.98);
}

/* Dataset Selection */
.dataset-selection {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: start;
    margin-bottom: 2rem;
}

.vs-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2rem;
}

.vs-separator span {
    background-color: var(--secondary-color);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* .dataset-select styling is now provided by the shared form-control rules in
   style.css so selects look identical across all pages. */

.dataset-info {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--surface-alt);
    border-radius: 4px;
    font-size: 0.9rem;
}

.dataset-preview p {
    margin: 0.5rem 0;
}

.dataset-preview a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.dataset-preview a:hover {
    text-decoration: underline;
}

/* Dataset Headers in Results */
.dataset-headers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.dataset-header {
    display: block;
    padding: 1.5rem;
    background: linear-gradient(135deg, #3498db 0%, #0a5499 100%);
    color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dataset-header h3 {
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
}

.dataset-header p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    opacity: 0.95;
}

.dataset-header a {
    color: white;
    text-decoration: underline;
    word-break: break-all;
}

.dataset-header-links {
    display: block;
    margin-top: 1rem;
}

.dataset-header .dataset-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    color: white !important;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: background-color 0.2s;
}

.dataset-header .dataset-link:hover {
    background-color: rgba(255, 255, 255, 0.35);
    text-decoration: none;
}

/* Comparison Sections */
.comparison-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.comparison-section h3 {
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    color: #333;
}

.content-box {
    padding: 1rem;
    background-color: var(--surface-alt);
    border-radius: 4px;
    line-height: 1.6;
}

.overview-text {
    padding: 1rem;
    background-color: var(--highlight-bg);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.details-list {
    display: grid;
    gap: 1rem;
}

.detail-card {
    padding: 1.5rem;
    background-color: var(--surface-alt);
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
}

.detail-card h4 {
    margin: 0 0 0.75rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.detail-card .description {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.detail-card .significance {
    margin: 1rem 0 0 0;
    padding: 0.75rem;
    background-color: white;
    border-radius: 4px;
    font-size: 0.95rem;
}

/* Difference Cards */
.difference-card {
    border-left: 4px solid var(--warning-color);
}

.difference-comparison {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0;
}

.dataset-difference {
    padding: 0.75rem;
    background-color: white;
    border-radius: 4px;
}

.dataset-label {
    display: inline-block;
    font-weight: bold;
    color: #666;
    margin-right: 0.5rem;
    min-width: 120px;
}

.dataset-difference .value {
    color: #333;
}

.implication {
    margin: 1rem 0 0 0;
    padding: 0.75rem;
    background-color: var(--warning-bg);
    border-radius: 4px;
    font-size: 0.95rem;
}

/* Use Case Section */
.use-case-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.use-case-box {
    padding: 1.5rem;
    background-color: var(--surface-alt);
    border-radius: 8px;
}

.use-case-box h4 {
    margin: 0 0 1rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.use-case-box ul {
    margin: 0;
    padding-left: 1.5rem;
}

.use-case-box li {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.complementary-box {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(228, 0, 126, 0.15) 0%, rgba(30, 135, 240, 0.15) 100%);
    border-radius: 8px;
    border: 2px solid var(--gradient-start);
    margin-top: 1rem;
}

.complementary-box h4 {
    margin: 0 0 1rem 0;
    color: var(--gradient-start);
    font-size: 1.1rem;
}

/* Recommendations Section */
.recommendations-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.recommendation-box {
    padding: 1.5rem;
    background-color: var(--surface-alt);
    border-radius: 8px;
    border-top: 4px solid var(--success-color);
}

.recommendation-box.full-width {
    grid-column: 1 / -1;
    border-top-color: var(--primary-color);
}

.recommendation-box h4 {
    margin: 0 0 1rem 0;
    color: #333;
    font-size: 1.1rem;
}

.recommendation-content {
    line-height: 1.6;
    color: #555;
}

/* Summary Section */
.summary-section {
    background: linear-gradient(135deg, rgba(228, 0, 126, 0.10) 0%, rgba(30, 135, 240, 0.10) 100%);
    border-left: 4px solid var(--gradient-start);
}

/* Responsive Design */
@media (max-width: 768px) {
    .example-pairs-grid {
        grid-template-columns: 1fr;
    }

    .example-card {
        padding: 1.25rem;
    }

    .dataset-selection {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .vs-separator {
        padding: 0;
        transform: rotate(90deg);
    }

    .dataset-headers {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .recommendations-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading Animation Enhancement */
.loading-section .spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}