/* Admin chrome: sign-in, sidebar, topbar and page scaffolding. */

/* Boot and redirect states */
.admin-boot {
  display: flex;
  min-height: 100dvh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.boot-failed {
  max-width: 420px;
}

.boot-failed h1 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 20px;
}

.boot-failed p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  text-wrap: pretty;
}

.boot-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.page-loader {
  display: flex;
  min-height: 100dvh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
}

.not-found {
  display: flex;
  min-height: 100dvh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  background: var(--bg);
  text-align: center;
}

.not-found p {
  max-width: 34ch;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.not-found .btn {
  margin-top: 6px;
}

/* Sign in */
.auth-shell {
  display: flex;
  min-height: 100dvh;
  align-items: center;
  justify-content: center;
  padding: 24px;
  padding-top: max(24px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  background: var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 384px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}

.auth-card h1 {
  font-size: 22px;
  text-wrap: balance;
}

.auth-sub {
  margin: 6px 0 24px;
  color: var(--muted);
  font-size: 13px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-error {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 9px 11px;
  border: 1px solid #fecdca;
  border-radius: 10px;
  background: var(--red-soft);
  color: var(--red);
  font-size: 12.5px;
  line-height: 1.45;
}

.auth-error svg {
  flex: none;
  margin-top: 1px;
}

.auth-note {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted-light);
  font-size: 12px;
  text-align: center;
}

/* Shell */
.admin-shell {
  --sidebar-w: 248px;
  --topbar-h: 60px;
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  display: flex;
  min-height: 100dvh;
  background: var(--bg);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 60;
  padding: 9px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 550;
  transform: translateY(-200%);
}

.skip-link:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  transform: translateY(0);
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  width: var(--sidebar-w);
  height: 100dvh;
  flex: none;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 12px 10px 16px;
}

.sidebar-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  margin: -4px -6px;
  padding: 4px 6px;
  border-radius: 10px;
}

.sidebar-brand .brand-word {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-brand:hover .brand-word {
  color: var(--ink);
}

.sidebar-close {
  display: none;
  width: 40px;
  height: 40px;
  flex: none;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
}

.sidebar-close:hover {
  background: var(--surface-tint);
  color: var(--ink);
}

.sidebar-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px 12px 20px;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section {
  padding: 0 10px;
  color: var(--muted-light);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item {
  display: flex;
  min-width: 0;
  min-height: 36px;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out);
}

.nav-item svg {
  flex: none;
  color: var(--muted-light);
  transition: color 140ms var(--ease-out);
}

.nav-item > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-item.active {
  background: var(--brand-soft);
  box-shadow: inset 2px 0 0 var(--brand);
  color: var(--brand-ink);
  font-weight: 600;
}

.nav-item.active svg {
  color: var(--brand);
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--line);
  padding-bottom: max(12px, env(safe-area-inset-bottom));
}

.user-chip {
  display: flex;
  min-width: 0;
  min-height: 46px;
  align-items: center;
  gap: 9px;
  padding: 7px;
  border-radius: 10px;
  color: var(--ink);
  transition: background-color 140ms var(--ease-out);
}

.user-chip .meta {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1px;
}

.user-chip .name {
  font-size: 12.5px;
  font-weight: 600;
}

.user-chip .email {
  color: var(--muted);
  font-size: 12px;
}

.user-chip svg {
  flex: none;
  color: var(--muted-light);
}

.sidebar-scrim {
  display: none;
}

.admin-main {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
}

.admin-content {
  min-width: 0;
  flex: 1;
}

.admin-content:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -4px;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  height: var(--topbar-h);
  flex: none;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  flex: none;
  align-items: center;
  justify-content: center;
  margin-left: -6px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink-soft);
}

.menu-btn:hover {
  background: var(--surface-tint);
}

.topbar-title {
  min-width: 0;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.account {
  position: relative;
  flex: none;
}

.account-trigger {
  display: flex;
  max-width: 220px;
  min-height: 36px;
  align-items: center;
  gap: 8px;
  padding: 3px 8px 3px 4px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  transition: background-color 140ms var(--ease-out);
}

.account-trigger:hover,
.account-trigger[aria-expanded="true"] {
  background: var(--surface-tint);
}

.account-trigger > svg {
  flex: none;
  color: var(--muted-light);
}

.account-name {
  min-width: 0;
  max-width: 140px;
}

.account-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  width: 248px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px) scale(0.98);
  transform-origin: top right;
  transition: opacity 140ms var(--ease-out), transform 140ms var(--ease-out), visibility 0s linear 140ms;
}

.account-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition: opacity 140ms var(--ease-out), transform 140ms var(--ease-out), visibility 0s;
}

.account-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: 8px 10px 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}

.account-meta-name {
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.account-meta-email {
  color: var(--muted);
  font-size: 12px;
}

.account-item {
  display: flex;
  width: 100%;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  text-align: left;
  transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out);
}

.account-item:hover {
  background: var(--red-soft);
  color: var(--red);
}

/* Page scaffolding */
.admin-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 64px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.page-header > div:first-child {
  min-width: 0;
}

.page-header p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  flex: none;
}

.breadcrumb {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumb a {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumb a:hover {
  color: var(--ink);
}

/* Toolbars */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.search-box.wide {
  max-width: none;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

@media (hover: hover) and (pointer: fine) {
  .sidebar-brand:hover .brand-word {
    color: var(--brand-ink);
  }

  .nav-item:hover {
    background: var(--surface-tint);
    color: var(--ink);
  }

  .nav-item:hover svg {
    color: var(--ink-soft);
  }

  .menu-btn:hover {
    background: var(--surface-tint);
  }
}

@media (max-width: 900px) {
  .account-name {
    display: none;
  }
}

@media (max-width: 760px) {
  html[data-nav-open],
  html[data-nav-open] body {
    overflow: hidden;
  }

  .menu-btn {
    display: inline-flex;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 41;
    width: min(84vw, 300px);
    height: 100dvh;
    border-right: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    visibility: hidden;
    transform: translateX(-100%);
    transition: transform 220ms var(--ease-drawer), visibility 0s linear 220ms;
  }

  .sidebar.open {
    visibility: visible;
    transform: translateX(0);
    transition: transform 220ms var(--ease-drawer), visibility 0s;
  }

  .sidebar-close {
    display: inline-flex;
  }

  .sidebar-scrim {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: block;
    background: rgba(15, 23, 42, 0.38);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 200ms var(--ease-out), visibility 0s linear 200ms;
  }

  .sidebar-scrim.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 200ms var(--ease-out), visibility 0s;
  }

  .nav-item {
    min-height: 44px;
  }

  .topbar {
    height: 56px;
    padding: 0 16px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  .account-trigger {
    min-height: 40px;
    padding-right: 4px;
  }

  .account-menu {
    width: 240px;
  }

  .admin-page {
    padding: 20px 16px 48px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .page-actions {
    width: 100%;
  }

  .toolbar {
    align-items: stretch;
  }

  .search-box {
    max-width: none;
    width: 100%;
    flex-basis: 100%;
  }

  .auth-shell {
    align-items: flex-start;
    padding: 20px;
    padding-top: max(20px, env(safe-area-inset-top));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }

  .auth-card {
    max-width: 420px;
    margin-top: 8vh;
    padding: 24px;
  }
}

@media (max-width: 400px) {
  .auth-card {
    margin-top: 4vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .sidebar.open,
  .sidebar-scrim,
  .sidebar-scrim.open,
  .account-menu,
  .account-menu.open,
  .nav-item,
  .user-chip,
  .account-trigger,
  .account-item,
  .menu-btn {
    transition: none;
  }

  .sidebar {
    transform: none;
  }

  .sidebar-scrim {
    opacity: 1;
  }

  .account-menu {
    transform: none;
  }
}