body.admin-body {
    overflow: auto;
    background: #f4f7f6;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #333;
}

.admin-wrap { display: flex; min-height: 100vh; }

.admin-nav {
    width: 220px;
    background: #1f2937;
    color: #e5e7eb;
    padding: 20px 0;
    flex-shrink: 0;
}
.admin-nav .brand { padding: 0 20px 20px; font-weight: bold; font-size: 16px; border-bottom: 1px solid #374151; margin-bottom: 10px; color: #fff; }
.admin-nav a {
    display: block;
    padding: 12px 20px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
}
.admin-nav a:hover, .admin-nav a.active { background: #374151; color: #fff; }
.admin-nav .logout { margin-top: 20px; border-top: 1px solid #374151; color: #f87171; }

.admin-main { flex-grow: 1; padding: 30px; max-width: 1200px; }
.admin-main h1 { margin-top: 0; font-size: 22px; }

.admin-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.admin-card { background: #fff; border-radius: 10px; padding: 18px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.admin-card .num { font-size: 28px; font-weight: bold; color: #007bff; }
.admin-card .label { font-size: 13px; color: #666; margin-top: 4px; }

table.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
table.admin-table th, table.admin-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid #eee; font-size: 14px; }
table.admin-table th { background: #f8f9fa; font-weight: 600; color: #495057; }
table.admin-table tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 3px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-muted { background: #e2e3e5; color: #41464b; }

.admin-btn { display: inline-block; padding: 6px 12px; border-radius: 6px; font-size: 12px; border: none; cursor: pointer; text-decoration: none; margin-right: 4px; }
.admin-btn-primary { background: #007bff; color: #fff; }
.admin-btn-success { background: #28a745; color: #fff; }
.admin-btn-warning { background: #ffc107; color: #000; }
.admin-btn-danger { background: #dc3545; color: #fff; }
.admin-btn-muted { background: #6c757d; color: #fff; }

.admin-alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.admin-alert-success { background: #d4edda; color: #155724; }
.admin-alert-error { background: #f8d7da; color: #721c24; }

.modal-bg { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 999; align-items: center; justify-content: center; }
.modal-bg.active { display: flex; }
.modal-box { background: #fff; border-radius: 10px; padding: 24px; width: 90%; max-width: 420px; }
.modal-box h3 { margin-top: 0; }
.modal-box label { display: block; font-size: 13px; color: #555; margin: 10px 0 4px; }
.modal-box input, .modal-box select, .modal-box textarea { width: 100%; padding: 8px; border: 1px solid #dee2e6; border-radius: 6px; box-sizing: border-box; }
.modal-actions { margin-top: 16px; display: flex; gap: 10px; justify-content: flex-end; }

.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg,#1f2937 0%,#374151 100%); }
.login-box { background: #fff; padding: 2.5rem; border-radius: 12px; width: 100%; max-width: 380px; }
.login-box h2 { margin-top: 0; text-align: center; }
.login-box input { width: 100%; padding: 12px; margin-bottom: 12px; border: 1px solid #dee2e6; border-radius: 6px; box-sizing: border-box; }
.login-box button { width: 100%; padding: 12px; background: #1f2937; color: #fff; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; }