:root {
  --sidebar-width: 224px;
  --workspace-canvas: #f6f8fc;
  --workspace-surface: #ffffff;
  --workspace-text: #0f172a;
  --workspace-muted: #64748b;
  --workspace-border: #dce3ed;
  --workspace-border-soft: #e9eef5;
  --workspace-blue: #2563eb;
  --workspace-blue-dark: #1d4ed8;
  --workspace-blue-soft: #eaf1ff;
  --workspace-radius: 12px;
  --workspace-max: 1180px;
}

@view-transition { navigation: auto; }

::view-transition-old(root),
::view-transition-new(root) { animation-duration: 140ms; }

.workspace-body,
.workspace-main { background: var(--workspace-canvas); color: var(--workspace-text); }

.workspace-sidebar {
  width: var(--sidebar-width);
  padding: 22px 16px 18px;
  border-right: 1px solid var(--workspace-border);
  background: var(--workspace-surface);
}

.workspace-sidebar .brand-wordmark { padding: 2px 12px 26px; }
.workspace-sidebar .brand-wordmark img { width: 132px; max-height: 38px; }
.workspace-sidebar .brand-product-name { margin-top: 8px; color: var(--workspace-muted); font-size: 12px; }
.sidebar-nav { gap: 3px; }
.sidebar-section-label { margin: 10px 12px 5px; color: #94a3b8; font-size: 11px; letter-spacing: .04em; }
.admin-section-label { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--workspace-border-soft); }
.sidebar-nav a,
.sidebar-nav .admin-link {
  min-height: 40px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 9px;
  color: #334155;
  background: transparent;
  font-size: 14px;
  font-weight: 700;
}
.sidebar-nav a:hover,
.sidebar-nav a.active,
.sidebar-nav .admin-link:hover,
.sidebar-nav .admin-link.active { color: var(--workspace-blue-dark); background: var(--workspace-blue-soft); }
.sidebar-account { padding-top: 14px; border-top: 1px solid var(--workspace-border-soft); }
.sidebar-account-trigger { padding: 8px; border-radius: 10px; }
.account-avatar { border-radius: 10px; background: var(--workspace-blue-soft); color: var(--workspace-blue-dark); }

.workspace-main { min-height: 100vh; margin-left: var(--sidebar-width); }
.workspace-topbar {
  position: sticky;
  top: 0;
  z-index: 15;
  height: 64px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--workspace-border);
  background: var(--workspace-surface);
}
.topbar-title { color: var(--workspace-text); font-size: 15px; }
.topbar-product { color: #94a3b8; font-size: 12px; }
.workspace-page { width: min(calc(100% - 64px), var(--workspace-max)); margin: 0 auto; padding: 34px 0 64px; }
.workspace-page:has(.instruction-workbench) { width: 100%; max-width: none; padding: 0; }

.navigation-progress {
  position: fixed;
  inset: 0 auto auto var(--sidebar-width);
  z-index: 100;
  width: calc(100% - var(--sidebar-width));
  height: 3px;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--workspace-blue);
  opacity: 0;
  transition: transform 600ms cubic-bezier(.22, .8, .25, 1), opacity 120ms ease;
}
.navigation-progress.active { opacity: 1; transform: scaleX(.76); }
.navigation-progress.complete { transform: scaleX(1); opacity: 0; transition-duration: 120ms; }

.page-heading {
  align-items: flex-start;
  gap: 24px;
  margin: 0 0 24px;
  padding: 0;
}
.page-heading h1 { margin: 3px 0 8px; color: var(--workspace-text); font-size: clamp(28px, 3vw, 34px); line-height: 1.18; letter-spacing: -.035em; }
.page-heading p:not(.eyebrow) { margin: 0; color: var(--workspace-muted); font-size: 14px; line-height: 1.65; }
.eyebrow { margin: 0; color: var(--workspace-blue); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.button { min-height: 40px; border-radius: 9px; box-shadow: none; }
.button.primary { border-color: var(--workspace-blue); background: var(--workspace-blue); box-shadow: none; }
.button.primary:hover { border-color: var(--workspace-blue-dark); background: var(--workspace-blue-dark); transform: none; }
.button.secondary,
.button.ghost { border-color: var(--workspace-border); background: var(--workspace-surface); color: #334155; }
.form-card,
.security-note,
.submission-list,
.account-info-card { border-color: var(--workspace-border); border-radius: var(--workspace-radius); box-shadow: none; }

.admin-review-panel { min-width: 0; }
.admin-page-heading { margin-bottom: 24px; }
.status-tabs {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--workspace-border);
  border-bottom: 0;
  border-radius: var(--workspace-radius) var(--workspace-radius) 0 0;
  background: var(--workspace-surface);
}
.status-tabs a {
  min-height: 40px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #475569;
  background: transparent;
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
}
.status-tabs a strong {
  min-width: 22px;
  padding: 2px 6px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #64748b;
  font-size: 11px;
  text-align: center;
}
.status-tabs a:hover { color: var(--workspace-blue-dark); background: #f8faff; }
.status-tabs a.active { border-color: #bcd0ff; color: var(--workspace-blue-dark); background: var(--workspace-blue-soft); }
.status-tabs a.active strong { color: #fff; background: var(--workspace-blue); }

.admin-review-table { min-width: 0; overflow: hidden; border: 1px solid var(--workspace-border); border-radius: 0 0 var(--workspace-radius) var(--workspace-radius); background: var(--workspace-surface); }
.admin-review-head,
.admin-row { display: grid; grid-template-columns: minmax(340px, 2.4fr) minmax(110px, .7fr) minmax(110px, .7fr) minmax(145px, .9fr) 82px; gap: 18px; align-items: center; }
.admin-review-head { min-height: 48px; padding: 0 20px; border-bottom: 1px solid var(--workspace-border); color: var(--workspace-muted); background: #f8fafc; font-size: 12px; font-weight: 800; }
.admin-list { border: 0; }
.admin-row {
  min-height: 104px;
  padding: 16px 20px;
  border: 0;
  border-bottom: 1px solid var(--workspace-border-soft);
  border-radius: 0;
  color: #475569;
  background: var(--workspace-surface);
  font-size: 12px;
  transition: background 120ms ease;
}
.admin-row:last-child { border-bottom: 0; }
.admin-row:hover { background: #f8faff; transform: none; }
.admin-prompt-cell { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; align-items: center; }
.admin-prompt-cell:has(.row-thumbnail) { grid-template-columns: 72px minmax(0, 1fr); }
.admin-prompt-cell .row-thumbnail { width: 72px; height: 64px; border-radius: 8px; }
.admin-prompt-cell h2 { margin: 0; overflow: hidden; color: var(--workspace-text); font-size: 14px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.admin-prompt-cell p { margin: 4px 0 7px; overflow: hidden; color: var(--workspace-muted); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.admin-prompt-cell .tags { gap: 4px; flex-wrap: nowrap; overflow: hidden; }
.admin-prompt-cell .tags span { padding: 3px 6px; border-radius: 5px; font-size: 10px; white-space: nowrap; }
.admin-member-cell { color: #334155; }
.admin-row time { color: var(--workspace-muted); white-space: nowrap; }
.admin-cell-label { display: none; }
.admin-empty-state {
  min-height: 380px;
  margin: 0;
  padding: 72px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0;
  color: var(--workspace-muted);
  background: var(--workspace-surface);
  text-align: center;
}
.empty-state-logo { width: 48px; height: 48px; margin-bottom: 18px; border-radius: 12px; object-fit: cover; opacity: .72; }
.admin-empty-state strong { color: var(--workspace-text); font-size: 16px; }
.admin-empty-state p { margin: 8px 0 14px; font-size: 13px; }
.admin-empty-state a { color: var(--workspace-blue); font-size: 13px; font-weight: 800; }
.admin-review-panel[aria-busy="true"] { pointer-events: none; opacity: .62; }

@media (max-width: 1080px) {
  .admin-review-head { display: none; }
  .admin-row { grid-template-columns: minmax(0, 1.8fr) 1fr 1fr; }
  .admin-row > :nth-last-child(-n+2) { display: none; }
}

@media (max-width: 720px) {
  :root { --sidebar-width: 0px; }
  .workspace-sidebar {
    position: sticky;
    top: 0;
    width: 100%;
    padding: 10px 12px;
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr) 42px;
    border-right: 0;
    border-bottom: 1px solid var(--workspace-border);
  }
  .workspace-sidebar .brand-wordmark { display: flex; padding: 0; }
  .workspace-sidebar .brand-wordmark img { width: 100px; }
  .sidebar-nav { flex-direction: row; overflow-x: auto; }
  .sidebar-nav a,
  .sidebar-nav .admin-link { min-height: 38px; padding: 9px 10px; white-space: nowrap; font-size: 12px; }
  .sidebar-section-label { display: none; }
  .workspace-sidebar .sidebar-account { grid-column: 3; padding: 0; border: 0; }
  .workspace-main { margin-left: 0; }
  .workspace-topbar { height: 54px; padding: 0 16px; }
  .topbar-product { display: none; }
  .workspace-page { width: min(calc(100% - 28px), var(--workspace-max)); padding: 24px 0 48px; }
  .page-heading { align-items: stretch; flex-direction: column; gap: 16px; }
  .page-heading .button.primary { width: 100%; }
  .status-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 5px; overflow: visible; }
  .status-tabs a { min-width: 0; padding: 8px 5px; justify-content: center; gap: 4px; font-size: 12px; }
  .status-tabs a strong { min-width: 19px; padding: 2px 5px; }
  .admin-row { grid-template-columns: 1fr; gap: 8px; padding: 16px; }
  .admin-row > * { display: block !important; }
  .admin-cell-label { margin-top: 5px; color: #94a3b8; font-size: 10px; text-transform: none; }
  .admin-prompt-cell:has(.row-thumbnail) { grid-template-columns: 64px minmax(0, 1fr); }
  .admin-prompt-cell .row-thumbnail { width: 64px; height: 56px; }
  .admin-empty-state { min-height: 300px; }
  .navigation-progress { left: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}