/* Admin layout: 2-column sidebar */

.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100dvh;
  margin: 0;
}

/* Sidebar */

.admin-sidebar {
  background: oklch(var(--lch-ink-darkest));
  color: oklch(var(--lch-ink-lightest));
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100dvh;
  overflow-y: auto;
}

.admin-sidebar__brand {
  padding: 1.25rem 1rem;
  font-size: var(--text-large);
  font-weight: 700;
  color: oklch(var(--lch-white));
  letter-spacing: 0.02em;
}

.admin-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 0.5rem;
  flex: 1;
}

.admin-sidebar__nav-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: oklch(var(--lch-ink-light));
  text-decoration: none;
  font-size: var(--text-small);
  transition: background 120ms ease, color 120ms ease;
}

.admin-sidebar__nav-link:hover {
  background: oklch(var(--lch-white) / 10%);
  color: oklch(var(--lch-white));
}

.admin-sidebar__nav-link--active {
  background: oklch(var(--lch-white) / 15%);
  color: oklch(var(--lch-white));
  font-weight: 600;
}

.admin-sidebar__footer {
  padding: 0.75rem;
  margin-top: auto;
  border-top: 1px solid oklch(var(--lch-white) / 10%);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-sidebar__footer-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: oklch(var(--lch-ink-medium));
  text-decoration: none;
  font-size: var(--text-small);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  width: 100%;
  transition: background 120ms ease, color 120ms ease;
}

.admin-sidebar__footer-link:hover {
  background: oklch(var(--lch-white) / 10%);
  color: oklch(var(--lch-white));
}

/* button_to generates a <form> wrapper — reset it */
.admin-sidebar__footer form {
  margin: 0;
}

.admin-sidebar__footer-link--button {
  line-height: inherit;
}

/* Main content area */

.admin-main {
  background: var(--color-canvas);
  padding: 2rem;
  overflow-y: auto;
  min-height: 100dvh;
}

/* Flash messages */

.admin-flash {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  font-size: var(--text-small);
  background: oklch(var(--lch-blue-lightest));
  color: oklch(var(--lch-blue-darkest));
}

.admin-flash--notice {
  background: oklch(var(--lch-green-lightest));
  color: oklch(var(--lch-green-darkest));
}

.admin-flash--alert {
  background: oklch(var(--lch-red-lightest));
  color: oklch(var(--lch-red-darkest));
}

/* Dashboard */

.admin-dashboard__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.admin-dashboard__title {
  font-size: var(--text-x-large);
  font-weight: 700;
  margin: 0;
}

.admin-dashboard__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-dashboard__stat {
  background: oklch(var(--lch-white));
  border: 1px solid var(--color-ink-lighter);
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
}

.admin-dashboard__stat-number {
  font-size: var(--text-x-large);
  font-weight: 700;
  color: var(--color-ink);
}

.admin-dashboard__stat-label {
  font-size: var(--text-small);
  color: var(--color-ink-dark);
  margin-top: 0.25rem;
}

.admin-dashboard__stat-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: var(--text-x-small);
  color: var(--color-link);
  text-decoration: none;
}

.admin-dashboard__stat-link:hover {
  text-decoration: underline;
}

.admin-dashboard__sections {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.admin-dashboard__section {
  background: oklch(var(--lch-white));
  border: 1px solid var(--color-ink-lighter);
  border-radius: 8px;
  padding: 1.25rem;
}

.admin-dashboard__section-title {
  font-size: var(--text-normal);
  font-weight: 600;
  margin: 0 0 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-dashboard__section-link {
  font-size: var(--text-x-small);
  color: var(--color-link);
  text-decoration: none;
  font-weight: 400;
}

.admin-dashboard__section-link:hover {
  text-decoration: underline;
}

/* Tables */

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-small);
}

.admin-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  color: var(--color-ink-dark);
  border-bottom: 2px solid var(--color-ink-lighter);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-ink-lightest);
  color: var(--color-ink);
}

.admin-table tbody tr:hover {
  background: oklch(var(--lch-blue-lightest) / 50%);
}

.admin-table__action {
  color: var(--color-link);
  text-decoration: none;
  font-size: var(--text-x-small);
}

.admin-table__action:hover {
  text-decoration: underline;
}

/* Page layout (articles, users, sources list pages) */

.admin-page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.admin-page__title {
  font-size: var(--text-x-large);
  font-weight: 700;
  margin: 0;
}

.admin-page__back-link {
  font-size: var(--text-small);
  color: var(--color-link);
  text-decoration: none;
}

.admin-page__back-link:hover {
  text-decoration: underline;
}

.admin-page__stats {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: var(--text-small);
  color: var(--color-ink-dark);
}

/* Source form */

.source-form {
  max-width: 600px;
}

.source-form .field {
  margin-bottom: 1rem;
}

.source-form label {
  display: block;
  font-size: var(--text-small);
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-ink);
}

.source-form input[type="text"],
.source-form input[type="url"],
.source-form input[type="number"],
.source-form select,
.source-form textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--text-small);
  border: 1px solid var(--color-ink-lighter);
  border-radius: 6px;
  background: oklch(var(--lch-white));
  color: var(--color-ink);
  font-family: inherit;
}

.source-form input:focus,
.source-form select:focus,
.source-form textarea:focus {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Toggle button */

.admin-toggle {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: var(--text-x-small);
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.admin-toggle--on {
  background: oklch(var(--lch-green-lightest));
  color: oklch(var(--lch-green-darkest));
}

.admin-toggle--on:hover {
  background: oklch(var(--lch-green-light));
}

.admin-toggle--off {
  background: oklch(var(--lch-red-lightest));
  color: oklch(var(--lch-red-darkest));
}

.admin-toggle--off:hover {
  background: oklch(var(--lch-red-light));
}

/* Dark mode overrides for admin cards */

html[data-theme="dark"] .admin-dashboard__stat,
html[data-theme="dark"] .admin-dashboard__section {
  background: oklch(var(--lch-ink-lightest));
}

html[data-theme="dark"] .source-form input[type="text"],
html[data-theme="dark"] .source-form input[type="url"],
html[data-theme="dark"] .source-form input[type="number"],
html[data-theme="dark"] .source-form select,
html[data-theme="dark"] .source-form textarea {
  background: oklch(var(--lch-ink-lightest));
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .admin-dashboard__stat,
  html:not([data-theme]) .admin-dashboard__section {
    background: oklch(var(--lch-ink-lightest));
  }

  html:not([data-theme]) .source-form input[type="text"],
  html:not([data-theme]) .source-form input[type="url"],
  html:not([data-theme]) .source-form input[type="number"],
  html:not([data-theme]) .source-form select,
  html:not([data-theme]) .source-form textarea {
    background: oklch(var(--lch-ink-lightest));
  }
}

/* Nested form (sitemaps) */

.source-form__nested-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.source-form__nested-row .source-form__input {
  flex: 1;
}

.source-form__remove-btn {
  background: none;
  border: 1px solid oklch(var(--lch-red-light));
  border-radius: 0.25rem;
  color: oklch(var(--lch-red-dark));
  cursor: pointer;
  font-size: var(--text-x-small);
  padding: 0.4em 0.6em;
  transition: background-color 0.15s ease;
}

.source-form__remove-btn:hover {
  background: oklch(var(--lch-red-lightest));
}

.source-form__add-btn {
  background: none;
  border: 1px dashed var(--color-ink-light);
  border-radius: 0.25rem;
  color: var(--color-ink-dark);
  cursor: pointer;
  font-size: var(--text-small);
  margin-top: 0.5rem;
  padding: 0.5em 1em;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  width: 100%;
}

.source-form__add-btn:hover {
  background: var(--color-ink-lightest);
  border-color: var(--color-ink-medium);
}