:root {
  --primary: #1a3a5c;
  --secondary: #c9a84c;
  --light: #e8f4f8;
  --white: #ffffff;
  --border: #dde3ea;
  --text: #2d3748;
  --text-muted: #718096;
  --danger: #e53e3e;
  --success: #38a169;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', Arial, sans-serif; background: var(--light); color: var(--text); font-size: 14px; }

/* Topbar */
.topbar { background: var(--primary); color: rgba(255,255,255,.75); font-size: 11px; padding: 6px 24px; text-align: center; letter-spacing: .5px; }

/* Navbar */
.navbar { background: var(--white); border-bottom: 2px solid var(--secondary); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); }
.navbar-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 24px; height: 60px; }
.navbar-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon { width: 36px; height: 36px; background: var(--primary); color: var(--secondary); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 18px; }
.brand-text .app-name { display: block; font-weight: 700; color: var(--primary); font-size: 16px; }
.brand-text .app-sub { display: block; font-size: 10px; color: var(--text-muted); }
.navbar-nav { display: flex; list-style: none; gap: 4px; margin-left: auto; }
.navbar-nav a { padding: 6px 14px; border-radius: 6px; text-decoration: none; color: var(--text); font-size: 13px; font-weight: 500; transition: all .2s; }
.navbar-nav a:hover, .navbar-nav a.active { background: var(--light); color: var(--primary); }
.navbar-user { display: flex; align-items: center; gap: 8px; margin-left: 16px; padding-left: 16px; border-left: 1px solid var(--border); }
.user-badge { background: var(--primary); color: var(--secondary); padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }

/* Layout */
.page-wrapper { max-width: 1280px; margin: 0 auto; padding: 28px 24px; }
.admin-layout { display: flex; gap: 24px; max-width: 1280px; margin: 0 auto; padding: 28px 24px; align-items: flex-start; }
.main-content { flex: 1; min-width: 0; }

/* Sidebar */
.sidebar { width: 220px; flex-shrink: 0; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 0; position: sticky; top: 80px; }
.sidebar a { display: block; padding: 10px 20px; color: var(--text); text-decoration: none; font-size: 13px; transition: all .2s; border-left: 3px solid transparent; }
.sidebar a:hover, .sidebar a.active { background: var(--light); color: var(--primary); border-left-color: var(--secondary); font-weight: 600; }
.sidebar-section { padding: 10px 20px 4px; font-size: 10px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 8px; }

/* Page Header */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-header-title { font-size: 22px; font-weight: 700; color: var(--primary); }
.page-header-sub { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* Card */
.card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 20px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-title { font-weight: 700; color: var(--primary); font-size: 15px; }
.card-body { padding: 20px; }

/* Table */
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl thead tr { background: var(--primary); color: #fff; }
.tbl th { padding: 10px 14px; text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; }
.tbl td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
.tbl tbody tr:hover td { background: #f7fafc; }
.tbl tbody tr:last-child td { border-bottom: none; }

/* Nomor Badge */
.nomor-badge { display: inline-block; background: var(--primary); color: var(--secondary); font-family: 'Courier New', monospace; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 4px; letter-spacing: .5px; white-space: nowrap; }

/* Copy Button */
.btn-copy { background: none; border: 1px solid var(--border); border-radius: 4px; padding: 3px 7px; font-size: 12px; cursor: pointer; opacity: .6; transition: all .2s; vertical-align: middle; margin-left: 6px; }
.btn-copy:hover { opacity: 1; background: var(--light); }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-auto { background: #c6f6d5; color: #22543d; }
.badge-manual { background: #fefcbf; color: #744210; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: 6px; border: none; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; transition: all .2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #152f4e; }
.btn-secondary { background: var(--secondary); color: var(--primary); }
.btn-secondary:hover { background: #b8943e; }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c53030; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .3px; }
.form-control { width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--text); background: var(--white); transition: border .2s; }
.form-control:focus { outline: none; border-color: var(--primary); }
.form-row { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: 1fr 1fr; }

/* Search Bar */
.search-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search-bar .form-control { flex: 1; min-width: 160px; }

/* Nomor Preview Box */
.nomor-display-box { background: var(--primary); border-radius: var(--radius); padding: 16px 20px; margin: 16px 0; text-align: center; }
.nomor-display-label { font-size: 11px; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.nomor-display-value { font-family: 'Courier New', monospace; font-size: 20px; font-weight: 700; color: var(--secondary); letter-spacing: 1px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 20px; font-size: 13px; }
.alert-success { background: #c6f6d5; color: #22543d; border: 1px solid #9ae6b4; }
.alert-danger { background: #fed7d7; color: #742a2a; border: 1px solid #fc8181; }

/* Pagination */
.pagination { display: flex; gap: 4px; }
.pagination a { padding: 5px 10px; border-radius: 4px; border: 1px solid var(--border); font-size: 12px; text-decoration: none; color: var(--text); }
.pagination a.current, .pagination a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--white); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); border-left: 4px solid var(--secondary); }
.stat-value { font-size: 32px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--primary); }
.login-box { background: var(--white); border-radius: 12px; padding: 40px; width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .brand-icon { width: 56px; height: 56px; font-size: 28px; margin: 0 auto 12px; }
.login-logo h2 { font-size: 22px; font-weight: 800; color: var(--primary); }
.login-logo p { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Tab */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 20px; gap: 0; }
.tab-btn { padding: 10px 20px; border: none; background: none; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all .2s; }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Footer */
footer { text-align: center; padding: 20px; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border); margin-top: 40px; background: var(--white); }

/* Responsive */
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; padding: 16px; }
  .sidebar { width: 100%; position: static; }
  .page-wrapper { padding: 16px; }
  .cols-2 { grid-template-columns: 1fr; }
  .navbar-nav { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}