/* ── Admin area ───────────────────────────────────────────── */
/* The admin skin's own names, aliased onto M3 roles so the area follows the
   app's scheme. The sidebar is an M3 navigation drawer: a low surface
   container, with the active destination marked by a secondary-container
   indicator. */
:root {
  --admin-indigo: var(--md-sys-color-primary);
  --admin-indigo-dark: var(--md-sys-color-on-primary-container);
  --admin-sidebar-bg: var(--md-sys-color-surface-container-low);
  --admin-sidebar-fg: var(--md-sys-color-on-surface);
  --admin-sidebar-muted: var(--md-sys-color-on-surface-variant);
  --admin-sidebar-active: var(--md-sys-color-secondary-container);
  --admin-border: var(--md-sys-color-outline-variant);
}

.admin-body {
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
}

.admin-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar — navigation drawer */
.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-fg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.admin-sidebar-top,
.admin-sidebar-bottom {
  display: flex;
  flex-direction: column;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0 1.25rem 1.5rem;
  text-decoration: none;
  color: var(--admin-sidebar-fg);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  margin-bottom: 1rem;
}

.admin-brand img {
  height: 32px;
  width: 32px;
}

.admin-brand-text {
  font: var(--md-sys-typescale-title-medium);
  letter-spacing: var(--md-sys-typescale-title-medium-tracking);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
}

.admin-brand-pill {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font: var(--md-sys-typescale-label-small);
  letter-spacing: var(--md-sys-typescale-label-small-tracking);
  padding: 0.18rem 0.45rem;
  border-radius: var(--md-sys-shape-corner-extra-small);
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0 0.75rem;
}

/* Drawer item: 48px (dense) full-round target; hover and active are
   state layer / indicator, never a recolour of the text alone. */
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 48px;
  padding: 0 1rem;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--admin-sidebar-muted);
  text-decoration: none;
  font: var(--md-sys-typescale-label-large);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  transition:
    background-color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard),
    color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}

.admin-nav-link:hover {
  color: var(--md-sys-color-on-surface);
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

.admin-nav-link.is-active {
  background: var(--admin-sidebar-active);
  color: var(--md-sys-color-on-secondary-container);
}

/* Each destination leads with its 24dp Material Symbol. */
.admin-nav-link .icon,
.admin-signout .icon {
  width: 24px;
  height: 24px;
  vertical-align: 0;
}

.admin-signout {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-nav-link--muted {
  font: var(--md-sys-typescale-label-large);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  margin: 0 0.75rem 0.5rem;
}

.admin-sidebar-bottom {
  padding: 0 1.25rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  padding-top: 1rem;
  gap: 0.5rem;
}

.admin-user {
  font: var(--md-sys-typescale-body-small);
  letter-spacing: var(--md-sys-typescale-body-small-tracking);
  margin: 0.25rem 0;
}

.admin-user-email {
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
  word-break: break-all;
}

.admin-user-role {
  color: var(--admin-sidebar-muted);
  font: var(--md-sys-typescale-label-medium);
  letter-spacing: var(--md-sys-typescale-label-medium-tracking);
}

.admin-signout {
  display: inline-block;
  font: var(--md-sys-typescale-label-large);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  color: var(--md-sys-color-primary);
  text-decoration: none;
  padding: 0.4rem 0;
}

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

/* Main content */
.admin-main {
  flex: 1;
  min-width: 0;
  padding: 2.5rem 2.75rem;
}

.admin-page {
  max-width: 1100px;
  margin: 0 auto;
}

.admin-page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* The eyebrow is a small label above the title, not an all-caps kicker. */
.admin-eyebrow {
  font: var(--md-sys-typescale-label-medium);
  letter-spacing: var(--md-sys-typescale-label-medium-tracking);
  color: var(--md-sys-color-primary);
  margin-bottom: 0.35rem;
}

.admin-page-title {
  font: var(--md-sys-typescale-headline-small);
  letter-spacing: var(--md-sys-typescale-headline-small-tracking);
  color: var(--md-sys-color-on-surface);
}

.admin-page-meta {
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  color: var(--md-sys-color-on-surface-variant);
}

.admin-page-meta strong {
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

/* Stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Outlined card; a link variant shows its affordance as a state layer. */
.admin-stat {
  background: var(--md-sys-color-surface-container-lowest);
  border: 1px solid var(--admin-border);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 1.1rem 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition:
    background-color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard),
    box-shadow var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}

a.admin-stat:hover {
  background-image: linear-gradient(
    color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent),
    color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent));
  box-shadow: var(--md-sys-elevation-level1);
}


.admin-stat-label {
  font: var(--md-sys-typescale-title-small);
  letter-spacing: var(--md-sys-typescale-title-small-tracking);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 0.5rem;
}

.admin-stat-value {
  font: var(--md-sys-typescale-headline-medium);
  letter-spacing: var(--md-sys-typescale-headline-medium-tracking);
  font-variant-numeric: tabular-nums;
  color: var(--md-sys-color-on-surface);
}

/* Cards */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr));
  gap: 1.5rem;
}

.admin-card {
  background: var(--md-sys-color-surface-container-lowest);
  border: 1px solid var(--admin-border);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 1.5rem;
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.admin-card-header h2 {
  font: var(--md-sys-typescale-title-medium);
  letter-spacing: var(--md-sys-typescale-title-medium-tracking);
  color: var(--md-sys-color-on-surface);
}

.admin-card-link {
  font: var(--md-sys-typescale-label-large);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

.admin-card-link:hover {
  color: var(--admin-indigo-dark);
  text-decoration: underline;
}

.admin-card-desc {
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 1rem;
}

.admin-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.admin-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  font: var(--md-sys-typescale-body-medium);
  letter-spacing: var(--md-sys-typescale-body-medium-tracking);
}

.admin-list-item:last-child {
  border-bottom: none;
}

.admin-list-primary {
  color: var(--md-sys-color-on-surface);
  word-break: break-all;
}

.admin-list-secondary {
  color: var(--md-sys-color-on-surface-variant);
  font: var(--md-sys-typescale-label-medium);
  letter-spacing: var(--md-sys-typescale-label-medium-tracking);
}

.admin-list-empty {
  padding: 0.65rem 0;
  color: var(--md-sys-color-on-surface-variant);
  font: var(--md-sys-typescale-body-medium);
  font-style: italic;
}

/* Re-skin existing components inside the admin area */
.admin-body .project-show,
.admin-body .project-show--wide {
  max-width: 1100px;
  padding: 0;
  margin: 0 auto;
}

.admin-body .project-show--wide {
  max-width: 1300px;
}

.admin-body .project-show .required-legend {
  margin: 0.6rem 0 1.5rem;
}

/* Line break inside a flex-wrapped details strip; the cell closing the row
   drops its right border like a genuine last cell. */
.admin-body .detail-row-break { flex-basis: 100%; height: 0; }
.admin-body .detail-cell--row-end { border-right: none; }

/* The admin shell has a sidebar instead of the app's top nav, so the shared
   sticky header's `top: var(--nav-height)` (tables.css) has nothing to clear —
   it leaves the header floating a nav-height below the viewport top while the
   page scrolls. Pin it to the top of the viewport here. */
.admin-body .data-table thead th {
  top: 0;
}

/* Admin form sections: an intro hint keeps the heading's gap to the fields,
   and stacked grids (the approval steps, then the signatories) read as
   separate groups. */
.admin-body .form-section h3 + .form-hint { margin: -0.5rem 0 1.25rem; }
.admin-body .form-section .form-grid + .form-grid { margin-top: 1.25rem; }

/* Approval type → form-field checklist. */
.approval-field-table .approval-field-check { width: 7rem; text-align: center; }
.approval-field-table .approval-field-check input[type="checkbox"] { accent-color: var(--md-sys-color-primary); }
.approval-field-table .approval-field-group td {
  background: var(--md-sys-color-surface-container-low);
  color: var(--md-sys-color-on-surface-variant);
  font: var(--md-sys-typescale-title-small);
  letter-spacing: var(--md-sys-typescale-title-small-tracking);
}
.approval-field-table .approval-field-na { color: var(--md-sys-color-outline); }

@media (max-width: 900px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: relative;
    padding: 1rem;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .admin-sidebar-top,
  .admin-sidebar-bottom {
    flex-direction: row;
    align-items: center;
    border: none;
    padding: 0;
    margin: 0;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  .admin-brand { border: none; padding: 0; margin: 0; }
  .admin-sidebar-top { width: 100%; min-width: 0; }
  /* The drawer's destinations become one scrollable row, like scrollable
     M3 tabs, rather than widening the page. */
  .admin-nav {
    flex-direction: row;
    padding: 0;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .admin-nav::-webkit-scrollbar { display: none; }
  .admin-nav .admin-nav-link { flex-shrink: 0; white-space: nowrap; }
  .admin-main { padding: 1.5rem; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
}