:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-hover: #222222;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --border: #2a2a2a;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.nav a { color: var(--text-secondary); font-weight: 500; }
.nav a:hover { color: var(--text-primary); }
.ad-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
    overflow: hidden;
}
.ad-block-header { margin: 0 0 1rem 0; }
.ad-block-sidebar { margin: 1rem 0; }
.ad-block-in-article { margin: 1.5rem 0; }
.ad-block-footer { margin: 2rem 0 0 0; }
.ad-label { font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.5rem; }
.main-layout { display: grid; grid-template-columns: 1fr 300px; gap: 2rem; padding: 2rem 0; }
@media (max-width: 900px) { .main-layout { grid-template-columns: 1fr; } }
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.post-card:hover { transform: translateY(-4px); box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1); }
.post-card-image { width: 100%; height: 180px; object-fit: cover; background: var(--bg-hover); }
.post-card-body { padding: 1.25rem; }
.post-card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.3; }
.post-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--text-secondary); }
.category-badge { background: var(--accent); color: white; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.75rem; font-weight: 500; }
.post-detail { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; }
.post-detail h1 { font-size: 2rem; margin-bottom: 1rem; line-height: 1.2; }
.post-detail-meta { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.9rem; }
.post-detail-image { width: 100%; max-height: 400px; object-fit: cover; border-radius: 8px; margin-bottom: 1.5rem; }
.post-detail-content { font-size: 1.05rem; line-height: 1.8; color: var(--text-primary); }
.post-detail-content h2, .post-detail-content h3 { margin: 1.5rem 0 0.75rem 0; color: var(--text-primary); }
.post-detail-content p { margin-bottom: 1rem; }
.post-detail-content code { background: var(--bg-hover); padding: 0.2rem 0.4rem; border-radius: 4px; font-family: 'Fira Code', monospace; font-size: 0.9em; }
.post-detail-content pre { background: var(--bg-hover); padding: 1rem; border-radius: 8px; overflow-x: auto; margin: 1rem 0; }
.post-detail-content pre code { background: none; padding: 0; }
.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-block { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; }
.sidebar-block h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--text-primary); }
.sidebar-categories { list-style: none; }
.sidebar-categories li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.sidebar-categories li:last-child { border-bottom: none; }
.sidebar-categories a { color: var(--text-secondary); display: flex; justify-content: space-between; }
.sidebar-categories a:hover { color: var(--accent); }
.page-wrapper {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 2rem 0; flex-shrink: 0; text-align: center; color: var(--text-secondary); }
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 1rem; z-index: 1000; display: none; }
.cookie-banner.active { display: block; }
.cookie-banner-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.cookie-banner p { font-size: 0.85rem; color: var(--text-secondary); flex: 1; }
.cookie-btn { background: var(--accent); color: white; border: none; padding: 0.5rem 1.5rem; border-radius: 6px; cursor: pointer; font-weight: 500; white-space: nowrap; }
.cookie-btn:hover { background: var(--accent-hover); }
.admin-layout { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.admin-sidebar { background: var(--bg-secondary); border-right: 1px solid var(--border); padding: 1.5rem; }
.admin-sidebar h2 { margin-bottom: 1.5rem; font-size: 1.2rem; }
.admin-nav { list-style: none; }
.admin-nav li { margin-bottom: 0.5rem; }
.admin-nav a { display: block; padding: 0.6rem 0.8rem; border-radius: 6px; color: var(--text-secondary); }
.admin-nav a:hover, .admin-nav a.active { background: var(--bg-hover); color: var(--text-primary); }
.admin-main { padding: 2rem; overflow-y: auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.btn { display: inline-block; padding: 0.6rem 1.2rem; border-radius: 6px; border: none; cursor: pointer; font-weight: 500; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.table { width: 100%; border-collapse: collapse; background: var(--bg-card); border-radius: 8px; overflow: hidden; }
.table th, .table td { padding: 0.875rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: var(--bg-hover); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-secondary); }
.table tr:last-child td { border-bottom: none; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 500; font-size: 0.9rem; }
.form-control { width: 100%; padding: 0.6rem 0.8rem; background: var(--bg-hover); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); font-size: 0.95rem; }
.form-control:focus { outline: none; border-color: var(--accent); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { cursor: pointer; }
.login-box { max-width: 400px; margin: 5rem auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; }
.login-box h1 { text-align: center; margin-bottom: 1.5rem; }
.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.alert-danger { background: rgba(239, 68, 68, 0.1); border: 1px solid var(--danger); color: var(--danger); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; }
.stat-card h3 { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.5rem; }
.stat-card .value { font-size: 1.75rem; font-weight: 700; }
@media (max-width: 768px) {
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .post-detail { padding: 1rem; }
    .post-detail h1 { font-size: 1.5rem; }
}

/* ===== Featured layout (1 post) ===== */
.post-featured {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.post-featured:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1);
}
.post-featured-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    background: var(--bg-hover);
    display: block;
}
.post-featured-body { padding: 2rem; }
.post-featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0.75rem 0 1rem 0;
    line-height: 1.2;
}
.post-featured-title a { color: var(--text-primary); }
.post-featured-title a:hover { color: var(--accent); }
.post-featured-excerpt {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.post-featured-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== 2 posts layout ===== */
.posts-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ===== Pagination ===== */
.pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}
.btn-page {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-page:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ===== Empty state ===== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}
.empty-state-icon { font-size: 4rem; margin-bottom: 1rem; }
.empty-state h2 { color: var(--text-primary); margin-bottom: 0.5rem; font-size: 1.5rem; }
.empty-state p { margin-bottom: 1.5rem; font-size: 1rem; }

/* ===== Image fallback ===== */
.post-card-image[src=""],
.post-featured-image[src=""] {
    display: none;
}