* { box-sizing: border-box; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f5f7fa;
  color: #1a202c;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 960px;
  margin: 32px auto;
  background: white;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
h1 { color: #1e3a8a; margin-top: 0; }
h2 { color: #1e3a8a; border-bottom: 2px solid #e2e8f0; padding-bottom: 8px; }
.logo { color: #c0392b; font-weight: bold; font-size: 14px; letter-spacing: 1px; }
.topbar { display: flex; justify-content: space-between; align-items: center; }
.userbox { display: flex; gap: 8px; align-items: center; }
.page-heading { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.subtitle { color: #6b7280; font-size: 14px; margin-top: -8px; }
label { display: block; font-weight: 600; margin: 16px 0 6px; color: #374151; }
input[type=text], input[type=number], select, input[type=file] {
  width: 100%; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 8px;
  font-size: 14px; font-family: inherit;
}
input[type=text]:focus, input[type=number]:focus, select:focus {
  outline: none; border-color: #1e40af; box-shadow: 0 0 0 3px rgba(30,64,175,.1);
}
button, .btn {
  display: inline-block; background: #1e40af; color: white;
  padding: 12px 24px; border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: #1e3a8a; }
.btn-secondary { background: #6b7280; }
.btn-secondary:hover { background: #4b5563; }
.btn-success { background: #047857; }
.btn-success:hover { background: #065f46; }
.btn-edit { background: #2563eb; }
.btn-edit:hover { background: #1d4ed8; }
.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }
.btn-icon { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid #e5e7eb; font-size: 14px; }
th { background: #f9fafb; color: #374151; font-weight: 600; }
.flash-error { background: #fef2f2; color: #991b1b; padding: 12px; border-radius: 8px; margin-bottom: 16px; }
.flash-ok { background: #f0fdf4; color: #166534; padding: 12px; border-radius: 8px; margin-bottom: 16px; }
.row { display: flex; gap: 16px; }
.row > * { flex: 1; }
.box { background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin: 16px 0; }
.table-toolbar { display: flex; gap: 12px; align-items: center; margin: 12px 0; }
.table-toolbar input { flex: 1; margin: 0; }
.actions-cell { width: 1%; white-space: nowrap; }
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: nowrap; }
.row-actions form { display: inline-flex; margin: 0; }
.row-actions .btn-sm { padding: 6px 10px; line-height: 1; }
.muted { color: #6b7280; font-size: 13px; }
.tag {
  display: inline-block; background: #dbeafe; color: #1e40af;
  padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.tag.danger { background: #fee2e2; color: #991b1b; }
.tag.success { background: #dcfce7; color: #166534; }
.tag.warn { background: #fef3c7; color: #92400e; }