* { box-sizing: border-box; }
body { margin:0; font-family: -apple-system, Inter, sans-serif; background:#F3F4F6; color:#1B2430; }
.admin-wrap { display:flex; min-height:100vh; }
.admin-sidebar { width:220px; background:#16233B; color:#fff; padding:24px 18px; }
.admin-sidebar .brand { font-weight:700; font-size:1.1rem; margin-bottom:28px; }
.admin-sidebar a { display:block; color:rgba(255,255,255,0.75); text-decoration:none; padding:9px 8px; border-radius:5px; font-size:0.92rem; margin-bottom:2px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background:rgba(255,255,255,0.08); color:#fff; }
.admin-main { flex:1; padding:32px 40px; }
.admin-main h1 { font-size:1.5rem; margin-bottom:20px; }
.card { background:#fff; border:1px solid #E5E7EB; border-radius:8px; padding:24px; }
table { width:100%; border-collapse:collapse; }
th, td { text-align:left; padding:10px 12px; border-bottom:1px solid #EEE; font-size:0.92rem; }
th { color:#6B7280; font-weight:600; text-transform:uppercase; font-size:0.72rem; letter-spacing:0.04em; }
.btn { display:inline-block; padding:9px 16px; border-radius:5px; border:1px solid transparent; text-decoration:none; font-size:0.88rem; cursor:pointer; font-weight:600; }
.btn-primary { background:#16233B; color:#fff; }
.btn-danger { background:#fff; color:#B91C1C; border-color:#B91C1C; }
.btn-secondary { background:#fff; color:#16233B; border-color:#D1D5DB; }
.top-actions { display:flex; justify-content:space-between; align-items:center; margin-bottom:18px; }
.alert-success { background:#ECFDF5; border:1px solid #A7F3D0; color:#065F46; padding:12px 16px; border-radius:6px; margin-bottom:18px; }
.alert-error { background:#FEF2F2; border:1px solid #FECACA; color:#991B1B; padding:12px 16px; border-radius:6px; margin-bottom:18px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-group { margin-bottom:16px; }
.form-group.full { grid-column: 1 / -1; }
label { display:block; font-size:0.85rem; font-weight:600; margin-bottom:6px; color:#374151; }
input[type=text], input[type=email], input[type=number], input[type=date], select, textarea {
  width:100%; padding:9px 11px; border:1px solid #D1D5DB; border-radius:5px; font-size:0.92rem; font-family:inherit;
}
textarea { min-height:100px; }
.checkbox-row { display:flex; align-items:center; gap:8px; }
.tag { display:inline-block; background:#F3F4F6; border:1px solid #E5E7EB; padding:2px 8px; border-radius:12px; font-size:0.78rem; margin:2px 4px 2px 0; }
.badge { padding:2px 9px; border-radius:10px; font-size:0.76rem; font-weight:600; }
.badge-green { background:#ECFDF5; color:#065F46; }
.badge-gray { background:#F3F4F6; color:#4B5563; }
.badge-red { background:#FEF2F2; color:#991B1B; }
.checkbox-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:6px; max-height:220px; overflow-y:auto; border:1px solid #E5E7EB; border-radius:6px; padding:12px; }
.field-error { color:#B91C1C; font-size:0.8rem; margin-top:4px; }