/* OpenRouter Free Models Dashboard - Style with Theme Support */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme Variables - Dark (Default) */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #151b3d;
    --bg-card: #1a2342;
    --bg-hover: #243066;
    --text-primary: #e1e8ff;
    --text-secondary: #8b95b0;
    --accent-blue: #5b7fff;
    --accent-green: #4ade80;
    --accent-yellow: #fbbf24;
    --accent-red: #f87171;
    --border-color: #2d3a5c;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --nav-bg: rgba(21, 27, 61, 0.9);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f0f2f5;
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --nav-bg: rgba(255, 255, 255, 0.9);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    transition: background-color 0.3s;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.nav-brand h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.nav-brand .subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.theme-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s;
    line-height: 1;
}

.theme-btn:hover {
    background: var(--bg-hover);
    transform: scale(1.1);
}

.lang-select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.lang-select:hover {
    border-color: var(--accent-blue);
}

/* Filters Section */
.filters-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin: 30px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    transition: background-color 0.3s;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-group select:hover,
.filter-group input:hover {
    border-color: var(--accent-blue);
}

.filter-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(91, 127, 255, 0.2);
}

.search-box {
    position: relative;
}

.search-icon {
    position: absolute;
    right: 14px;
    top: 38px;
    font-size: 16px;
}

.capability-filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

.checkmark {
    font-size: 16px;
}

/* View Toggle */
.view-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
}

.view-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.view-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.view-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.refresh-btn {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.refresh-btn:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
}

/* Models Container */
.models-container {
    margin: 30px 0;
}

.models-container.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.models-container.list-view {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Model Card */
.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.model-card::after {
    content: '📋';
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: var(--accent-blue);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s;
    pointer-events: none;
    z-index: 10;
}

.model-card:hover::after {
    opacity: 0.9;
    transform: translateY(0);
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-blue);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent-blue);
}

.model-card:hover::before {
    transform: scaleX(1);
}

.model-card.list-view {
    display: grid;
    grid-template-columns: 200px 1fr auto;
    gap: 20px;
    align-items: center;
}

.card-header {
    margin-bottom: 15px;
}

.model-card.list-view .card-header {
    margin-bottom: 0;
}

.provider-badge {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--accent-blue);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.model-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.model-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.model-name a:hover {
    color: var(--accent-blue);
}

.model-id {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Courier New', monospace;
    word-break: break-all;
}

.card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.card-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-icon {
    font-size: 14px;
}

.capabilities {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.capability-tag {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.expiration-badge {
    background: var(--accent-yellow);
    color: var(--bg-primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    display: inline-block;
    margin-top: 8px;
}

.rating-badge {
    background: var(--accent-blue);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.expiration-inline {
    background: var(--accent-yellow);
    color: var(--bg-primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
}

.free-badge {
    background: var(--accent-green);
    color: var(--bg-primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 18px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    margin-top: 60px;
    text-align: center;
    transition: background-color 0.3s;
}

.footer p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 5px 0;
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent-green);
    color: var(--bg-primary);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.3s;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-controls {
        width: 100%;
        justify-content: space-between;
    }

    .filters-section {
        grid-template-columns: 1fr;
    }

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

    .model-card.list-view {
        grid-template-columns: 1fr;
    }
}

/* GitHub Star Buttons */
.github-star-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.github-star-nav:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.github-star-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s;
}

.github-star-link:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

/* Rating Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--bg-card);
    margin: 15% auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 80%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    right: 15px;
    top: 10px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content h2 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

.modal-content ul {
    margin: 10px 0;
    padding-left: 20px;
}

.modal-content li {
    margin: 8px 0;
    color: var(--text-secondary);
}

.modal-content p {
    color: var(--text-secondary);
    margin: 8px 0;
}

/* Info icon for rating */
.info-icon {
    cursor: pointer;
    font-size: 14px;
    margin-left: 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.info-icon:hover {
    opacity: 1;
}