/* ===== Model Library Page ===== */

.models-page {
    padding-top: 80px;
}

/* Header */
.models-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 48px 0 32px;
    gap: 32px;
}

.models-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 8px;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.models-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
}

.models-header-stats {
    display: flex;
    gap: 32px;
    flex-shrink: 0;
}

.header-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.header-stat-number {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.header-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Search Toolbar */
.models-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.toolbar-search {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.toolbar-search:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.toolbar-search svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.toolbar-search input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 14px;
}

.toolbar-search input::placeholder {
    color: var(--text-muted);
}

.toolbar-view {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.view-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.view-btn.active {
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

/* Filter Tabs */
.models-filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.filter-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
}

.filter-tab:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.filter-tab.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--accent-primary);
}

.filter-sort {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.filter-sort label {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}

.filter-sort select {
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.filter-sort select:focus {
    border-color: var(--accent-primary);
}

.filter-sort select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Results Bar */
.models-results-bar {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding: 0 4px;
}

/* ===== Card Grid ===== */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
    margin-bottom: 48px;
}

/* List View */
.models-grid.list-view {
    grid-template-columns: 1fr;
}

.models-grid.list-view .model-card {
    flex-direction: row;
    align-items: center;
    padding: 16px 20px;
    gap: 20px;
}

.models-grid.list-view .card-header {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    margin-bottom: 0;
    flex: 1;
    min-width: 0;
}

.models-grid.list-view .card-pricing {
    flex-direction: row;
    gap: 16px;
    padding: 0;
    border: none;
    background: none;
    min-width: 300px;
    justify-content: flex-end;
}

.models-grid.list-view .card-pricing .price-item {
    min-width: auto;
}

.models-grid.list-view .card-footer {
    flex-direction: row;
    margin-top: 0;
    padding-top: 0;
    border: none;
    gap: 8px;
    flex-shrink: 0;
}

.models-grid.list-view .card-meta {
    display: none;
}

/* ===== Model Card ===== */
.model-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.model-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.model-card:hover::before {
    opacity: 1;
}

/* Skeleton loading */
.model-card.skeleton {
    min-height: 240px;
    background: var(--bg-card);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.model-card.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes skeleton-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Card Header */
.card-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.card-header-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.card-provider-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.provider-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
    color: white;
}

.provider-icon.anthropic { background: linear-gradient(135deg, #d97706, #b45309); }
.provider-icon.openai { background: linear-gradient(135deg, #10b981, #059669); }
.provider-icon.google { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.provider-icon.xai { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.provider-icon.deepseek { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.provider-icon.meta { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.provider-icon.qwen { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.provider-icon.mistral { background: linear-gradient(135deg, #f59e0b, #d97706); }
.provider-icon.doubao { background: linear-gradient(135deg, #ec4899, #db2777); }
.provider-icon.minimax { background: linear-gradient(135deg, #f97316, #ea580c); }
.provider-icon.moonshot { background: linear-gradient(135deg, #a855f7, #9333ea); }
.provider-icon.baidu { background: linear-gradient(135deg, #ef4444, #dc2626); }
.provider-icon.zhipu { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.provider-icon.novita { background: linear-gradient(135deg, #64748b, #475569); }
.provider-icon.default { background: linear-gradient(135deg, #6b7280, #4b5563); }

.card-name-block {
    min-width: 0;
}

.card-provider-name {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.card-model-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-badges {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.badge {
    padding: 3px 8px;
    border-radius: 100px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-new {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-hot {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-partner {
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Model ID Row */
.card-model-id {
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-model-id code {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 2px 8px;
    border-radius: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 260px;
}

.card-copy-btn {
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 12px;
    padding: 2px 4px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.card-copy-btn:hover {
    color: var(--accent-primary);
}

/* Pricing Grid */
.card-pricing {
    display: flex;
    gap: 0;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.price-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    min-width: 0;
}

.price-item + .price-item {
    border-left: 1px solid var(--border-color);
}

.price-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 600;
}

.price-value {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.price-value.price-low {
    color: var(--accent-green);
}

.price-value.price-na {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 400;
}

/* Card Meta (Context / Max Output) */
.card-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.meta-icon {
    font-size: 13px;
}

.meta-value {
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 12px;
}

/* Card Footer */
.card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.tag {
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-primary);
    border: 1px solid rgba(99, 102, 241, 0.12);
}

.tag.tag-llm { 
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-primary);
    border-color: rgba(99, 102, 241, 0.15);
}

.tag.tag-serverless {
    background: rgba(16, 185, 129, 0.08);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.15);
}

.tag.tag-vision {
    background: rgba(139, 92, 246, 0.08);
    color: var(--accent-secondary);
    border-color: rgba(139, 92, 246, 0.15);
}

.tag.tag-reasoning {
    background: rgba(245, 158, 11, 0.08);
    color: var(--accent-orange);
    border-color: rgba(245, 158, 11, 0.15);
}

.tag.tag-embedding {
    background: rgba(6, 182, 212, 0.08);
    color: var(--accent-cyan);
    border-color: rgba(6, 182, 212, 0.15);
}

.tag.tag-code {
    background: rgba(236, 72, 153, 0.08);
    color: var(--accent-pink);
    border-color: rgba(236, 72, 153, 0.15);
}

/* Empty State */
.models-empty {
    text-align: center;
    padding: 80px 24px;
}

.models-empty .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.models-empty h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.models-empty p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* CTA Section in Models Page */
.models-cta {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 24px;
    margin-top: 32px;
}

.models-cta h2 {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 800;
    margin-bottom: 16px;
}

.models-cta p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 32px;
}

/* Footer Grid (reused from style.css landing) */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 4px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* Active nav link */
.nav-link-active {
    color: var(--accent-primary) !important;
    font-weight: 600 !important;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .models-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .models-filters {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .models-page {
        padding-top: 70px;
    }

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

    .models-grid.list-view .model-card {
        flex-direction: column;
        align-items: stretch;
    }

    .models-grid.list-view .card-pricing {
        flex-direction: row;
        min-width: 0;
        justify-content: stretch;
    }

    .models-grid.list-view .card-meta {
        display: flex;
    }

    .models-grid.list-view .card-footer {
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
    }

    .models-header-stats {
        width: 100%;
        justify-content: space-between;
    }

    .models-toolbar {
        flex-direction: column;
    }

    .toolbar-search {
        width: 100%;
    }

    .toolbar-view {
        align-self: flex-end;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .card-pricing {
        flex-wrap: wrap;
    }

    .price-item + .price-item {
        border-left: none;
    }

    .card-pricing {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .price-item {
        border: none !important;
        padding: 8px;
        background: rgba(255, 255, 255, 0.02);
        border-radius: 6px;
    }
}

@media (max-width: 480px) {
    .models-header-stats {
        gap: 16px;
    }

    .filter-tabs {
        gap: 4px;
    }

    .filter-tab {
        padding: 6px 12px;
        font-size: 12px;
    }
}