html {
  font-size: 16px;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #f5f6f8;
}

main {
  flex: 1 0 auto;
}

.brand-shield {
  font-size: 1.05em;
  margin-right: 0.15rem;
}

/* TOTP enrollment QR code sizing (CSP-safe: no inline styles). */
.qr-code {
  max-width: 220px;
}

.card {
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

/* Accessible focus indicator kept within CSP (no inline styles required). */
.btn:focus,
.btn:active:focus,
.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* ---- Theme (light default / dark via [data-theme="dark"]) ---- */
:root {
  --sg-bg: #f5f6f8;
  --sg-card-bg: #ffffff;
  --sg-border: #dee2e6;
  --sg-input-bg: #ffffff;
  --sg-muted: #6c757d;
}

[data-theme="dark"] {
  --sg-bg: #1b1e24;
  --sg-card-bg: #23272f;
  --sg-border: #3a3f4a;
  --sg-input-bg: #2a2f38;
  --sg-muted: #a0a8b4;
  --bs-body-bg: var(--sg-bg);
  --bs-body-color: #e4e6eb;
  --bs-secondary-color: var(--sg-muted);
  --bs-border-color: var(--sg-border);
  color-scheme: dark;
}

body {
  background-color: var(--sg-bg);
  color: var(--bs-body-color);
}

.card {
  background-color: var(--sg-card-bg);
  border-color: var(--sg-border);
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--bs-body-color);
  --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
  --bs-table-hover-bg: rgba(255, 255, 255, 0.06);
}

.text-muted {
  color: var(--sg-muted) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input-group-text {
  background-color: var(--sg-input-bg);
  border-color: var(--sg-border);
  color: var(--bs-body-color);
}

[data-theme="dark"] .dropdown-menu {
  background-color: var(--sg-card-bg);
  border-color: var(--sg-border);
}

[data-theme="dark"] .dropdown-item {
  color: var(--bs-body-color);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
  background-color: var(--sg-input-bg);
  color: var(--bs-body-color);
}

[data-theme="dark"] .modal-content {
  background-color: var(--sg-card-bg);
  border-color: var(--sg-border);
  color: var(--bs-body-color);
}

[data-theme="dark"] .list-group-item {
  background-color: var(--sg-card-bg);
  border-color: var(--sg-border);
  color: var(--bs-body-color);
}

[data-theme="dark"] .table-light,
[data-theme="dark"] .table-light > td,
[data-theme="dark"] .table-light > th {
  background-color: var(--sg-input-bg);
  color: var(--bs-body-color);
}

[data-theme="dark"] .alert-secondary,
[data-theme="dark"] .alert-info,
[data-theme="dark"] .alert-warning,
[data-theme="dark"] .alert-danger,
[data-theme="dark"] .alert-success {
  color: var(--bs-body-color);
}

[data-theme="dark"] code {
  color: #e6b673;
}