/* Admin Portal Theme - distinctive teal/sand variant */
:root {
  /* ========== Core palette ========== */
  --bg-page: #efeeeb;
  --bg-surface: #f6f5f3;
  --bg-card: #ffffff;
  --bg-table-head: #f3f1ee;
  --bg-muted: #ece9e4;

  --text-primary: #1f2933;
  --text-secondary: #5f6b76;
  --text-muted: #8a949d;
  --text-inverse: #ffffff;

  --border-subtle: #e4e0db;
  --border-default: #d8d2cb;

  /* ========== Brand / accent ========== */
  --color-primary-700: #083c4a;
  --color-primary-600: #0d4c5b;
  --color-primary-500: #1d6170;
  --color-primary-400: #4f8792;
  --color-primary-300: #8fb1b8;

  --color-accent-500: #e7c18a;
  --color-accent-400: #efd3a8;
  --color-accent-300: #f5e3c5;

  /* ========== Semantic ========== */
  --color-success-700: #256946;
  --color-success-600: #2f7d54;
  --color-success-100: #e5f3ea;

  --color-danger-700: #c84a3b;
  --color-danger-600: #db5b4b;
  --color-danger-100: #fdeceb;

  --color-warning-700: #a26b19;
  --color-warning-100: #fff4df;

  /* ========== Links ========== */
  --link-default: #1d6170;
  --link-hover: #0d4c5b;

  /* ========== Shadows ========== */
  --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04),
                 0 8px 24px rgba(16, 24, 40, 0.04);

  /* ========== Radius ========== */
  --radius-xs: 8px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-pill: 999px;

  /* ========== Spacing ========== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* ========== Typography ========== */
  --font-family-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 28px;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* ========== Layout ========== */
  --container-max: 1120px;
  --header-height: 76px;

  /* ========== Component sizing ========== */
  --card-header-padding-x: 28px;
  --card-header-padding-y: 22px;
  --table-cell-padding-x: 28px;
  --table-cell-padding-y: 18px;
  --button-height: 40px;
  --button-padding-x: 16px;
  --badge-height: 28px;
  --icon-box-size: 34px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
}

a {
  color: inherit;
}

strong {
  font-weight: var(--font-weight-bold);
}

.page {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-8);
}

.topbar {
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.breadcrumb .brand {
  color: var(--text-primary);
}

.breadcrumb .current {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.section-stack {
  display: grid;
  gap: var(--space-6);
}

.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.section-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--card-header-padding-y) var(--card-header-padding-x);
  border-bottom: 1px solid var(--border-subtle);
}

.section-card__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.section-card__title-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.section-card__meta {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.section-card__icon {
  width: var(--icon-box-size);
  height: var(--icon-box-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

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

.table thead th {
  background: var(--bg-table-head);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 16px var(--table-cell-padding-x);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.table tbody td {
  padding: var(--table-cell-padding-y) var(--table-cell-padding-x);
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  min-height: var(--button-height);
  padding: 0 var(--button-padding-x);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

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

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(29, 97, 112, 0.14);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn--primary {
  background: var(--color-primary-600);
  color: var(--text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-700);
}

.btn--secondary {
  background: #ffffff;
  color: var(--color-primary-600);
  border-color: var(--color-primary-300);
}

.btn--secondary:hover {
  background: #f8fbfb;
  border-color: var(--color-primary-500);
}

.btn--ghost {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn--ghost:hover {
  background: var(--bg-surface);
}

.btn--success {
  background: var(--color-success-100);
  color: var(--color-success-700);
  border-color: #b9dfc8;
}

.btn--success:hover {
  background: #d9ecdf;
}

.btn--danger {
  background: #ffffff;
  color: var(--color-danger-700);
  border-color: #f0b7b1;
}

.btn--danger:hover {
  background: var(--color-danger-100);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--badge-height);
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  white-space: nowrap;
}

.badge--admin {
  background: var(--color-accent-300);
  color: #9a5d12;
}

.badge--neutral {
  background: #eef1f3;
  color: var(--text-secondary);
}

.badge--success {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.link {
  color: var(--link-default);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
}

.link:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.link--external {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.checkbox {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid var(--border-default);
  background: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.checkbox--checked {
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
  color: #ffffff;
}

.input,
.select,
.textarea {
  width: 100%;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--text-primary);
  font: inherit;
  padding: 12px 14px;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 4px rgba(29, 97, 112, 0.12);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.toolbar__left,
.toolbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.empty-state {
  padding: 48px 28px;
  text-align: center;
  color: var(--text-secondary);
}

.helper-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.divider {
  height: 1px;
  background: var(--border-subtle);
  border: 0;
  margin: 0;
}

@media (max-width: 960px) {
  .page {
    padding: var(--space-5);
  }

  .section-card__header {
    flex-direction: column;
    align-items: stretch;
  }

  .section-card__header .btn {
    width: 100%;
  }

  .table thead th,
  .table tbody td {
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 640px) {
  .page {
    padding: var(--space-4);
  }

  .breadcrumb {
    font-size: var(--font-size-md);
  }

  .section-card {
    border-radius: var(--radius-md);
  }

  .section-card__header {
    padding: 18px;
  }

  .section-card__title {
    font-size: 17px;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .actions .btn {
    width: 100%;
  }
}