/* ========== Reset & Base ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a1f2e;
    --bg-card-hover: #1e2538;
    --bg-header: #0f172a;
    --bg-input: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-orange: #f97316;
    --accent-green: #22c55e;
    --border-color: #1e293b;
    --border-light: #2d3748;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
    --max-width: 1400px;
    --header-height: 64px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    --tag-bg: rgba(59, 130, 246, 0.15);
    --tag-text: #60a5fa;
    --tag-border: rgba(59, 130, 246, 0.3);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--accent-blue-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========== Layout ========== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 24px;
    padding: 24px 0;
}

.main-content {
    min-width: 0;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ========== Header ========== */
.site-header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-blue);
}

.logo-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-login {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-blue);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-login:hover {
    background: var(--accent-blue-hover);
}

/* ========== Search Bar ========== */
.search-section {
    padding: 24px 0;
    display: flex;
    justify-content: center;
}

.search-form {
    display: flex;
    max-width: 600px;
    width: 100%;
    gap: 0;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

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

.search-input:focus {
    border-color: var(--accent-blue);
}

.search-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    background: var(--accent-blue);
    color: #fff;
    border: 1px solid var(--accent-blue);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--accent-blue-hover);
}

/* ========== Carousel ========== */
.carousel-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 0;
    aspect-ratio: 16/9;
}

.carousel-slide {
    position: relative;
    width: 100%;
    height: 100%;
    display: none;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
}

.carousel-overlay h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.8);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 5;
}

.carousel-btn:hover {
    background: var(--accent-blue);
}

.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }

/* ========== Section Headers ========== */
.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title .icon {
    color: var(--accent-orange);
    font-size: 1.2rem;
}

/* ========== Article Cards ========== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.article-card-image {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.article-card:hover .article-card-image img {
    transform: scale(1.05);
}

.article-card-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.category-badge {
    display: inline-block;
    padding: 2px 10px;
    background: var(--tag-bg);
    color: var(--tag-text);
    border: 1px solid var(--tag-border);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.article-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-title a {
    color: inherit;
}
.article-card-title a:hover {
    color: var(--accent-blue);
}

.article-card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
    flex: 1;
}

.article-card-footer {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.article-card-footer span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ========== Sidebar Widgets ========== */
.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.widget-title .icon {
    font-size: 1.1rem;
}

/* Hot articles list */
.hot-list {
    list-style: none;
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.hot-list li:last-child {
    border-bottom: none;
}

.hot-rank {
    min-width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    background: var(--accent-blue);
    flex-shrink: 0;
}

.hot-rank.top-1 { background: #ef4444; }
.hot-rank.top-2 { background: #f97316; }
.hot-rank.top-3 { background: #f59e0b; }

.hot-list .hot-info {
    flex: 1;
    min-width: 0;
}

.hot-list .hot-title {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-list .hot-title:hover {
    color: var(--accent-blue);
}

.hot-list .hot-views {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Tags cloud */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-link {
    display: inline-block;
    padding: 4px 14px;
    background: transparent;
    border: 1px solid var(--accent-orange);
    color: var(--accent-orange) !important;
    border-radius: 4px;
    font-size: 0.82rem;
    transition: all 0.2s;
}

.tag-link:hover {
    background: var(--accent-orange);
    color: #fff !important;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

.breadcrumb .sep {
    color: var(--text-muted);
}

/* ========== Article Detail ========== */
.article-header {
    margin-bottom: 24px;
}

.article-title {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.article-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.article-tags .tag-link {
    font-size: 0.8rem;
}

.article-cover {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.article-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    line-height: 1.8;
    font-size: 1rem;
    color: var(--text-secondary);
}

.article-content h1, .article-content h2, .article-content h3,
.article-content h4, .article-content h5, .article-content h6 {
    color: var(--text-primary);
    margin: 24px 0 12px;
    font-weight: 700;
}

.article-content h2 { font-size: 1.4rem; }
.article-content h3 { font-size: 1.15rem; }

.article-content p {
    margin-bottom: 16px;
}

.article-content ul, .article-content ol {
    margin: 12px 0;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 6px;
}

.article-content img {
    border-radius: var(--radius);
    margin: 16px 0;
}

.article-content a {
    color: var(--accent-blue);
    font-weight: 500;
}

.article-content blockquote {
    border-left: 4px solid var(--accent-blue);
    padding: 12px 20px;
    margin: 16px 0;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-secondary);
}

.article-content code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.article-content pre {
    background: var(--bg-input);
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin: 16px 0;
}

.article-content pre code {
    background: none;
    padding: 0;
}

.article-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Article actions */
.article-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 24px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.action-btn.active {
    background: var(--tag-bg);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Prev/Next navigation */
.prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.prev-next a {
    display: block;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.prev-next a:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.prev-next .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.prev-next .title {
    font-size: 0.9rem;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prev-next .next-link {
    text-align: right;
}

/* Related articles */
.related-section {
    margin-top: 32px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* ========== Category / Tag Page ========== */
.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-header .desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.page-header .count {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px 0;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.page-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.page-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 0;
    margin-top: 48px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    padding-bottom: 32px;
}

.footer-about .logo {
    margin-bottom: 12px;
}

.footer-about p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom p {
    margin-bottom: 4px;
}

.footer-bottom a {
    color: var(--text-muted);
}

.footer-bottom a:hover {
    color: var(--accent-blue);
}

/* ========== Auth Pages ========== */
.auth-container {
    max-width: 400px;
    margin: 60px auto;
    padding: 0 24px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.auth-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--accent-blue);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
}

.auth-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    text-align: center;
    padding: 12px;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.auth-tab.active, .auth-tab:hover {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* ========== 404 Page ========== */
.error-page {
    text-align: center;
    padding: 100px 20px;
}

.error-page h1 {
    font-size: 6rem;
    font-weight: 800;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.error-page p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ========== Search Page ========== */
.search-results-header {
    margin-bottom: 24px;
}

.search-results-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.search-results-header .result-count {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== Toast / Flash Messages ========== */
.flash-message {
    padding: 12px 20px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.flash-success {
    background: hsl(143, 85%, 96%);
    border: 1px solid hsl(145, 92%, 87%);
    color: hsl(140, 100%, 27%);
}

.flash-error {
    background: hsl(359, 100%, 97%);
    border: 1px solid hsl(359, 100%, 94%);
    color: hsl(360, 100%, 45%);
}

/* ========== Mobile Menu ========== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-header);
    z-index: 99;
    padding: 20px;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 12px 0;
    color: var(--text-secondary);
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav a:hover, .mobile-nav a.active {
    color: var(--accent-blue);
}

/* ========== Responsive ========== */
@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 1fr 300px;
    }
}

@media (max-width: 768px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: 2;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

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

    .prev-next {
        grid-template-columns: 1fr;
    }

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

    .article-title {
        font-size: 1.3rem;
    }

    .article-content {
        padding: 20px;
    }

    .carousel-overlay h2 {
        font-size: 1.1rem;
    }

    .header-inner {
        padding: 0 16px;
    }

    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .search-form {
        flex-direction: column;
    }

    .search-input {
        border-right: 1px solid var(--border-color);
        border-radius: var(--radius);
    }

    .search-btn {
        border-radius: var(--radius);
        justify-content: center;
        margin-top: 8px;
    }
}

/* ========== Admin Styles ========== */
.admin-layout {
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

.admin-sidebar {
    width: 250px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    flex-shrink: 0;
}

.admin-sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.admin-sidebar a:hover, .admin-sidebar a.active {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
    border-right: 3px solid var(--accent-blue);
}

.admin-main {
    flex: 1;
    padding: 24px;
    min-width: 0;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Admin table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.admin-table th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.admin-table tr:hover td {
    background: var(--bg-card-hover);
}

/* Admin cards/stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-blue);
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Admin buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

.btn-blue {
    background: var(--accent-blue);
    color: #fff;
}

.btn-blue:hover {
    background: var(--accent-blue-hover);
    color: #fff;
}

.btn-red {
    background: #ef4444;
    color: #fff;
}

.btn-red:hover {
    background: #dc2626;
    color: #fff;
}

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

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* ========== Install Page ========== */
.install-container {
    max-width: 600px;
    margin: 60px auto;
    padding: 0 24px;
}

.install-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.install-card h1 {
    font-size: 1.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

.install-card .step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin: 24px 0 16px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 0.9rem;
}

.check-pass {
    color: var(--accent-green);
}

.check-fail {
    color: #ef4444;
}

/* ========== Utilities ========== */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.mt-6 { margin-top: 24px; }
.mb-6 { margin-bottom: 24px; }
.hidden { display: none; }

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}