/* Flavor Template - Stylesheet */

:root {
    --color-bg: #0a0a0f;
    --color-surface: #12121a;
    --color-card: #1a1a25;
    --color-border: #2a2a3a;
    --color-text: #e4e4ed;
    --color-text-secondary: #8888a0;
    --color-text-muted: #55556a;
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --color-link: #818cf8;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --max-width: 1200px;
    --narrow-width: 780px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-link); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-light); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: var(--narrow-width); }

/* === HEADER === */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.site-header.scrolled { border-bottom-color: var(--color-border); }

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 2rem;
}

.nav-brand { display: flex; align-items: center; gap: 0.5rem; }
.brand-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--color-text);
    background: rgba(99, 102, 241, 0.08);
}

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.search-form { position: relative; }
.search-input {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    padding: 0.45rem 1rem;
    color: var(--color-text);
    font-size: 0.85rem;
    width: 180px;
    transition: all var(--transition);
    font-family: var(--font-body);
}
.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    width: 240px;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.search-input::placeholder { color: var(--color-text-muted); }

.search-form-lg .search-input {
    width: 100%;
    padding: 0.8rem 1.25rem;
    font-size: 1rem;
    border-radius: var(--radius);
}
.search-form-lg .search-input:focus { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: var(--transition);
}

/* === MAIN === */
.site-main { padding: 3rem 0 4rem; min-height: 60vh; }

/* === HERO === */
.hero-section {
    text-align: center;
    padding: 3rem 0 4rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ── Sidebar Layout ─────────────────────────────────────── */
.container.has-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
    align-items: start;
}

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

.site-sidebar {
    position: sticky;
    top: 84px;
}

/* ── Widget Components ──────────────────────────────────── */
.widget {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    transition: border-color var(--transition);
}

.widget:hover { border-color: rgba(99, 102, 241, 0.3); }

.widget-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-light);
    margin-bottom: 0.85rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--color-border);
}

.widget-content { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.65; }

.widget-recent-posts { list-style: none; padding: 0; }
.widget-recent-posts li { padding: 0.45rem 0; border-bottom: 1px solid var(--color-border); }
.widget-recent-posts li:last-child { border-bottom: none; }
.widget-recent-posts a { color: var(--color-text); font-size: 0.88rem; transition: color var(--transition); }
.widget-recent-posts a:hover { color: var(--color-accent-light); }

/* Widget inside footer — no card style */
.footer-col .widget { background: none; border: none; padding: 0; margin: 0; }
.footer-col .widget:hover { border-color: transparent; }
.footer-col .widget-title {
    color: var(--color-text);
    font-size: 0.8rem;
    border-bottom-color: rgba(99,102,241,0.3);
    margin-bottom: 0.75rem;
}
.footer-col .widget-content { color: var(--color-text-secondary); }
.footer-col .widget-recent-posts li { border-bottom-color: rgba(255,255,255,0.06); }
.footer-col .widget-recent-posts a { color: var(--color-text-secondary); }
.footer-col .widget-recent-posts a:hover { color: var(--color-accent-light); }

/* === POST GRID === */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.posts-grid-sm {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.post-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.5s ease forwards;
}

.post-card:nth-child(1) { animation-delay: 0s; }
.post-card:nth-child(2) { animation-delay: 0.08s; }
.post-card:nth-child(3) { animation-delay: 0.16s; }
.post-card:nth-child(4) { animation-delay: 0.24s; }
.post-card:nth-child(5) { animation-delay: 0.32s; }
.post-card:nth-child(6) { animation-delay: 0.4s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.post-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.12);
}

.post-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.post-card-image {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.post-card.featured .post-card-image { aspect-ratio: unset; height: 100%; }

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.post-card-body { padding: 1.25rem 1.5rem; }

.post-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent-light);
    margin-bottom: 0.5rem;
}

.post-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.post-card-title a { color: var(--color-text); }
.post-card-title a:hover { color: var(--color-accent-light); }

.post-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* === SINGLE POST === */
.post-header {
    text-align: center;
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.post-category-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(99, 102, 241, 0.12);
    color: var(--color-accent-light);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.post-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.post-meta {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.post-featured-image {
    margin: 0 -2rem 2.5rem;
    border-radius: var(--radius);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

/* Prose (article content styling) */
.prose {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text);
}

.prose h2 { font-size: 1.6rem; font-weight: 700; margin: 2.5rem 0 1rem; letter-spacing: -0.02em; }
.prose h3 { font-size: 1.3rem; font-weight: 600; margin: 2rem 0 0.75rem; }
.prose h4 { font-size: 1.1rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin: 1rem 0 1.25rem 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: rgba(99, 102, 241, 0.06);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}
.prose code {
    background: var(--color-surface);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--color-accent-light);
}
.prose pre {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}
.prose pre code { background: none; padding: 0; color: var(--color-text); }
.prose img {
    border-radius: var(--radius-sm);
    margin: 1.5rem 0;
}
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}
.prose th, .prose td {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    text-align: left;
}
.prose th { background: var(--color-surface); font-weight: 600; }

/* Share buttons */
.post-share {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.share-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    transition: all var(--transition);
}

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

/* === ARCHIVE === */
.archive-header {
    text-align: center;
    padding: 2rem 0 3rem;
}

.archive-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-light);
    margin-bottom: 0.5rem;
}

.archive-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.archive-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.archive-count {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Post List (for search) */
.posts-list { max-width: var(--narrow-width); margin: 0 auto; }

.post-list-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.post-list-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.4rem; }
.post-list-title a { color: var(--color-text); }
.post-list-title a:hover { color: var(--color-accent-light); }
.post-list-excerpt { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 0.5rem; }

/* === RELATED POSTS === */
.related-posts {
    padding: 3rem 0;
    margin-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

/* === 404 === */
.error-page {
    text-align: center;
    padding: 6rem 1rem;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.error-desc {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.btn-home {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    background: var(--color-accent-gradient);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: opacity var(--transition);
}

.btn-home:hover { opacity: 0.9; color: #fff; }

/* === EMPTY STATE === */
.empty-hero {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--color-text-muted);
}

.empty-hero h2 { font-size: 1.4rem; margin-bottom: 0.5rem; color: var(--color-text); }

/* === PAGINATION === */
.pagination { margin-top: 3rem; }
.pagination ul {
    display: flex;
    justify-content: center;
    gap: 0.3rem;
    list-style: none;
}
.pagination li a, .pagination li span {
    display: block;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.pagination li a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.pagination li.active a {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* === FOOTER === */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(auto-fit, minmax(160px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-heading {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-accent-light); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-powered { opacity: 0.5; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .container.has-sidebar {
        grid-template-columns: 1fr;
    }
    .site-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 1rem;
    }
    .site-sidebar .widget { margin-bottom: 0; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: flex; }
    .search-input { width: 120px; }
    .search-input:focus { width: 160px; }

    .hero-title { font-size: 2rem; }
    .posts-grid { grid-template-columns: 1fr; }
    .post-card.featured { grid-template-columns: 1fr; }
    .post-title { font-size: 1.8rem; }
    .post-featured-image { margin: 0 0 2rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.6rem; }
    .post-title { font-size: 1.5rem; }
    .container { padding: 0 1rem; }
    .footer-grid { grid-template-columns: 1fr; }
}