/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --background: #ffffff;
    --surface: #f8fafc;
    --surface-elevated: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #0f172a;
        --surface: #1e293b;
        --surface-elevated: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #64748b;
        --border: #334155;
        --border-light: #1e293b;
    }
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-content {
    flex: 1;
    min-width: 300px;
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.title-gradient {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--border-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Filters */
.filters {
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    display: none;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: end;
    border: 1px solid var(--border);
}

.filters.active {
    display: flex;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 150px;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.filter-group select,
.filter-group input {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--background);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Table */
.table-container {
    flex: 1;
    margin-bottom: 2rem;
}

.table-wrapper {
    background-color: var(--surface-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.models-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.models-table th {
    background-color: var(--surface);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.models-table th:hover {
    background-color: var(--border-light);
}

.models-table th .sort-indicator {
    margin-left: 0.5rem;
    opacity: 0.5;
}

.models-table th.sorted-asc .sort-indicator::after {
    content: "↑";
    opacity: 1;
}

.models-table th.sorted-desc .sort-indicator::after {
    content: "↓";
    opacity: 1;
}

.models-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: top;
}

.models-table tbody tr {
    transition: background-color 0.2s ease;
}

.models-table tbody tr:hover {
    background-color: var(--surface);
}

.models-table tbody tr:last-child td {
    border-bottom: none;
}

/* Model name styling */
.model-name {
    font-weight: 600;
    color: var(--primary-color);
}

.company-name {
    font-weight: 500;
}

.model-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--primary-color);
    color: white;
}

.model-type.omni-llm {
    background-color: #06b6d4;
}

.model-type.reasoning-llm {
    background-color: #8b5cf6;
}

.model-type.general-llm {
    background-color: var(--primary-color);
}

.model-type.flagship-llm {
    background-color: #ef4444;
}

.model-type.open-weight-llm {
    background-color: var(--success-color);
}

.model-type.text-to-video-generator {
    background-color: #f59e0b;
}

.model-type.multimodal-llm {
    background-color: #10b981;
}

.model-type.earth-mapping-ai {
    background-color: #059669;
}

.model-type.llm {
    background-color: var(--primary-color);
}

.model-type.vision–language-llm {
    background-color: #7c3aed;
}

.model-type.omni-model {
    background-color: #0891b2;
}

.model-type.music-generation-model {
    background-color: #ec4899;
}

.release-year {
    font-weight: 500;
    color: var(--text-secondary);
}

/* Capability headers and cells */
.capability-header {
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    padding: 0.5rem !important;
    background-color: var(--border-light) !important;
}
.capability-header:nth-child(5) {
    border-left: 1px solid var(--border);
    padding-left: 1rem !important;
}

.capability-cell {
    text-align: center;
    padding: 0.75rem 0.5rem !important;
    vertical-align: middle;
}

/* Add spacing between Input and Output column groups */
.models-table th:nth-child(9),
.models-table td:nth-child(9) {
    border-left: 1px solid var(--border);
    padding-left: 1rem !important;
}

/* Add border to the "Outputs" header (6th column in first row, which spans columns 9-12) */
.models-table thead tr:first-child th:nth-child(6) {
    border-left: 1px solid var(--border);
    padding-left: 1rem !important;
}

/* Optional: Add subtle background difference for output columns */
.models-table th:nth-child(n+9),
.models-table td:nth-child(n+9) {
    background-color: rgba(59, 130, 246, 0.02);
}

.models-table th:nth-child(n+9) {
    background-color: rgba(59, 130, 246, 0.05) !important;
}

.capability-yes {
    font-size: 1.1rem;
    color: var(--success-color);
}

.capability-no {
    font-size: 1.1rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.capability-maybe {
    font-size: 1rem;
    color: var(--warning-color);
    font-weight: 600;
    background-color: rgba(245, 158, 11, 0.1);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

/* Stats Section */
.stats-section {
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--surface-elevated);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer p {
    margin-bottom: 0.5rem;
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .header-actions {
        justify-content: center;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .table-wrapper {
        overflow-x: auto;
    }
    
    .models-table {
        min-width: 800px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        justify-content: center;
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .header-actions,
    .filters,
    .loading-spinner {
        display: none !important;
    }
    
    .table-wrapper {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .models-table th,
    .models-table td {
        border: 1px solid #000;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.btn:focus,
select:focus,
input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #000000;
        --text-secondary: #000000;
    }
}