body { background: #f5f7fb; color: #1f2937; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 260px; background: #123047; color: #fff; flex: 0 0 260px; }
.brand { font-size: 1.35rem; font-weight: 700; padding: 1.25rem 1rem; }
.sidebar .nav-link { color: #dbeafe; padding: .75rem 1rem; border-left: 3px solid transparent; }
.sidebar .nav-link:hover { background: rgba(255,255,255,.08); color: #fff; border-left-color: #4ade80; }
.content { flex: 1; padding: 24px; overflow-x: auto; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.topbar h1 { font-size: 1.45rem; margin: 0; font-weight: 700; }
.stat-card { border: 0; border-radius: 8px; box-shadow: 0 8px 24px rgba(15, 23, 42, .08); }
.stat-card .number { font-size: 2rem; font-weight: 800; }
.table-card, .form-card { background: #fff; border-radius: 8px; padding: 18px; box-shadow: 0 8px 24px rgba(15, 23, 42, .06); }
.photo-thumb { width: 72px; height: 72px; object-fit: cover; border-radius: 6px; border: 1px solid #e5e7eb; }
.camera-preview { width: 100%; max-width: 420px; aspect-ratio: 4 / 3; background: #111827; border-radius: 8px; object-fit: cover; }
.camera-select { width: auto; min-width: 150px; }
@media (max-width: 840px) {
  .app-shell { display: block; }
  .sidebar { width: 100%; }
  .content { padding: 16px; }
}
@media print {
  .sidebar, .topbar .btn, form, .dataTables_filter, .dataTables_length, .dataTables_paginate, .dataTables_info { display: none !important; }
  .content { padding: 0; }
  .table-card { box-shadow: none; padding: 0; }
}