:root {
  --admin-bg: #0b1220;
  --admin-sidebar: #111827;
  --admin-sidebar-hover: #1f2937;
  --admin-accent: #6366f1;
  --admin-accent-soft: rgba(99, 102, 241, 0.12);
  --admin-accent-dark: #4f46e5;
  --admin-surface: #ffffff;
  --admin-muted: #64748b;
  --admin-text: #0f172a;
  --admin-border: #e2e8f0;
  --admin-success: #059669;
  --admin-danger: #dc2626;
  --admin-radius: 14px;
  --admin-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--admin-text);
  background: #f4f6fb;
}

a { color: inherit; }

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, var(--admin-sidebar) 0%, #0f172a 100%);
  color: #e2e8f0;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 20px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--admin-accent), #818cf8);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.brand-text strong {
  display: block;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.brand-text span {
  font-size: 12px;
  color: #94a3b8;
}

.nav-section {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin: 18px 10px 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 10px;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 4px;
  transition: background .15s, color .15s;
}

.nav-link:hover,
.nav-link.active {
  background: var(--admin-sidebar-hover);
  color: #fff;
}

.nav-link.active {
  background: var(--admin-accent-soft);
  color: #c7d2fe;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.25);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.operator-card {
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 12px;
  font-size: 13px;
}

.operator-card small {
  display: block;
  color: #94a3b8;
  margin-bottom: 4px;
}

.main {
  padding: 28px 32px 40px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.page-header p {
  margin: 0;
  color: var(--admin-muted);
  font-size: 14px;
}

.card {
  background: var(--admin-surface);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  border: 1px solid rgba(226, 232, 240, 0.9);
  padding: 20px;
  margin-bottom: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat-card {
  background: var(--admin-surface);
  border-radius: var(--admin-radius);
  padding: 18px;
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow);
}

.stat-card .label {
  font-size: 12px;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform .12s, box-shadow .12s, background .12s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--admin-accent), var(--admin-accent-dark));
  color: #fff;
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover { transform: translateY(-1px); }

.btn-secondary {
  background: #f8fafc;
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
}

.btn-danger {
  background: #fef2f2;
  color: var(--admin-danger);
  border: 1px solid #fecaca;
}

.btn-warning {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.inline-form {
  display: inline;
  margin: 0;
}

.mfa-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.mfa-panel-note {
  margin: 0;
  font-size: 13px;
  color: var(--admin-muted);
}

.table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
}

table.data-table th,
table.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--admin-border);
  text-align: left;
  font-size: 14px;
  vertical-align: middle;
}

table.data-table th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-muted);
  background: #f8fafc;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success { background: #ecfdf5; color: #047857; }
.badge-muted { background: #f1f5f9; color: #475569; }
.badge-role { background: #eef2ff; color: #4338ca; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.field-full { grid-column: 1 / -1; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.alert {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.search-bar input,
.search-bar select {
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}

.search-bar input { flex: 1; }

/* Auth */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.18), transparent 35%),
    radial-gradient(circle at 85% 80%, rgba(14, 165, 233, 0.12), transparent 32%),
    linear-gradient(160deg, #eef2ff 0%, #f8fafc 45%, #f1f5f9 100%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.8);
}

.auth-header {
  padding: 28px 28px 0;
  text-align: center;
}

.auth-header .brand-icon {
  margin: 0 auto 14px;
}

.auth-body { padding: 24px 28px 28px; }

.auth-heading h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.auth-heading p {
  margin: 0 0 20px;
  color: var(--admin-muted);
  font-size: 14px;
}

.btn-block { width: 100%; }

.admin-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
}

.admin-pagination-info {
  margin: 0;
  font-size: 13px;
  color: var(--admin-muted);
}

.admin-pagination-info strong {
  color: var(--admin-text);
  font-weight: 600;
}

.admin-pagination-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.admin-pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  background: #fff;
  color: var(--admin-text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background .12s, border-color .12s, color .12s;
}

.admin-pagination-link:hover:not(.is-disabled):not(.is-active):not(.is-ellipsis) {
  border-color: var(--admin-accent);
  color: var(--admin-accent-dark);
  background: var(--admin-accent-soft);
}

.admin-pagination-link.is-active {
  border-color: var(--admin-accent);
  background: linear-gradient(135deg, var(--admin-accent), var(--admin-accent-dark));
  color: #fff;
  box-shadow: 0 6px 14px rgba(79, 70, 229, 0.22);
}

.admin-pagination-link.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.admin-pagination-link.is-ellipsis {
  border-color: transparent;
  background: transparent;
  min-width: auto;
  padding: 0 4px;
  color: var(--admin-muted);
}

.auth-footnote {
  display: block;
  margin-top: 16px;
  font-size: 12px;
  color: var(--admin-muted);
  text-align: center;
}

.secret-box {
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 12px;
  font-family: ui-monospace, monospace;
  font-size: 13px;
  word-break: break-all;
  margin: 12px 0;
}

.qr-wrap {
  display: flex;
  justify-content: center;
  margin: 8px 0 16px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 14px;
}

.qr-wrap svg {
  display: block;
  width: 220px;
  height: 220px;
}

.secret-details {
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--admin-muted);
}

.secret-details summary {
  cursor: pointer;
  user-select: none;
  margin-bottom: 8px;
}

.auth-meta {
  font-size: 13px;
  color: var(--admin-muted);
  margin: 0 0 16px;
  text-align: center;
}

@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
}

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .main { padding: 20px 16px; }
}