:root {
    --admin-sidebar: #5b0b0d;
    --admin-accent: #cc2b5e;
    --admin-bg: #f4f0eb;
}
body.admin { margin: 0; font-family: 'Segoe UI', system-ui, sans-serif; background: var(--admin-bg); display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: var(--admin-sidebar); color: #bfa181; padding: 1.5rem 0; flex-shrink: 0; }
.admin-sidebar h2 { padding: 0 1.25rem; font-size: 1.1rem; font-weight: 600; margin: 0 0 1.5rem; color: #fff; }
.admin-nav a { display: block; padding: .65rem 1.25rem; color: #bfa181; text-decoration: none; font-size: .9rem; }
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-main { flex: 1; padding: 1.5rem 2rem; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.admin-card { background: #fff; border-radius: 10px; padding: 1.5rem; box-shadow: 0 1px 4px rgba(0,0,0,.06); margin-bottom: 1.5rem; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.stat-box { background: #fff; border-radius: 10px; padding: 1.25rem; text-align: center; border: 1px solid #bfa181; }
.stat-box .num { font-size: 2rem; color: var(--admin-sidebar); }
.admin-form label { display: block; margin: .75rem 0 .25rem; font-size: .85rem; font-weight: 600; }
.admin-form input, .admin-form select, .admin-form textarea { width: 100%; max-width: 480px; padding: .5rem; border: 1px solid #ccc; border-radius: 6px; }
.admin-form .checkbox { display: flex; align-items: center; gap: .5rem; margin: .5rem 0; }
.admin-form .checkbox input { width: auto; }
.btn-admin { background: var(--admin-accent); color: #fff; border: none; padding: .6rem 1.25rem; border-radius: 6px; cursor: pointer; }
.btn-admin:hover { background: var(--admin-sidebar); }
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--admin-bg); }
.login-box { background: #fff; padding: 2rem; border-radius: 10px; width: 100%; max-width: 400px; border: 1px solid #bfa181; }