/* Independent admin UI: neutral surfaces, explicit controls and shared spacing. */
:root { color-scheme: light; font-family: "Helvetica Neue", Helvetica, sans-serif; --ink: #202124; --muted: #64676c; --line: #dedfe2; --surface: #f7f7f8; --hover: #ededee; --radius: 8px; --catalog-border: var(--line); }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #fff; font-size: 16px; line-height: 1.55; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.035em; line-height: 1.2; margin-bottom: 10px; font-weight: 650; }
h2 { font-size: 20px; line-height: 1.3; letter-spacing: -.02em; margin-bottom: 12px; }
h3 { font-size: 16px; line-height: 1.4; margin-bottom: 10px; }
p { margin-bottom: 16px; }
a { color: var(--ink); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:visited { color: #50515a; }
a:hover { color: #000; }
button, input, select, textarea { font: inherit; }
input, select, textarea { font-weight: 400; }
button, .btn, .button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 44px; padding: 9px 16px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 550; line-height: 1.4; cursor: pointer; transition: background-color 120ms, border-color 120ms; }
button:hover, .btn:hover, .button:hover { background: var(--surface); border-color: #a3a5aa; }
button:active, .btn:active, .button:active { background: var(--hover); }
.primary, .btn-primary, a.primary:visited, a.btn-primary:visited { background: var(--ink); border-color: var(--ink); color: #fff; }
.primary:hover, .btn-primary:hover { background: #383a3e; color: #fff; }
button:disabled, fieldset:disabled button { opacity: .45; cursor: not-allowed; }
:is(button, a, input, select, textarea, summary, [tabindex]):focus-visible { outline: 2px solid #34363c; outline-offset: 4px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; background: #fff; padding: 12px; }
.skip-link:focus { top: 12px; }
input:not([type=checkbox]), select, textarea, .form-control, .form-select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #bfc1c6; border-radius: 6px; background: #fff; color: var(--ink); line-height: 1.5; }
textarea { display: block; resize: vertical; min-height: 88px; }
input[type=checkbox] { width: 18px; height: 18px; vertical-align: middle; accent-color: var(--ink); margin-right: 8px; }
input:disabled, select:disabled { background: var(--surface); color: var(--muted); }
input::placeholder, textarea::placeholder { color: #72757a; }
fieldset { min-width: 0; border: 0; padding: 0; margin: 0; }
label { font-size: 14px; font-weight: 550; }
small, .muted { color: var(--muted); font-size: 13px; line-height: 1.6; }
code { font-family: ui-monospace, monospace; font-size: 12px; overflow-wrap: anywhere; }
time { font-variant-numeric: tabular-nums; }
.eyebrow, .nav-label { color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.studio-shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100dvh; }
.studio-header { position: sticky; top: 0; height: 100dvh; overflow: auto; padding: 28px 18px 20px; background: var(--surface); border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.studio-brand { display: flex; gap: 11px; align-items: center; text-decoration: none; font-size: 14px; font-weight: 650; line-height: 1.4; }
.studio-brand small { display: block; font-size: 12px; font-weight: 400; margin-top: 3px; }
.brand-monogram { border: 1px solid var(--line); background: #fff; padding: 9px 5px; border-radius: 8px; font-size: 13px; letter-spacing: -.04em; }
.studio-header nav { margin-top: 40px; }
.nav-label { padding: 0 12px; margin-bottom: 12px; }
.studio-header nav a { min-height: 44px; margin: 4px 0; padding: 10px 12px; display: flex; justify-content: space-between; align-items: center; border-radius: 6px; color: #575a60; font-size: 14px; text-decoration: none; }
.studio-header nav a:hover { background: var(--hover); }
.studio-header nav a[aria-current=page] { background: #e5e5e7; color: #17181b; font-weight: 600; }
.studio-header nav a span { font-size: 7px; }
.sidebar-footer { margin-top: auto; padding-top: 32px; }
.external-link { display: flex; justify-content: space-between; padding: 12px; font-size: 14px; text-decoration: none; min-height: 44px; }
.staff-profile { border-top: 1px solid var(--line); padding: 22px 0 16px; margin-top: 16px; display: flex; align-items: center; gap: 10px; font-size: 13px; overflow-wrap: anywhere; }
.staff-profile small { display: block; font-size: 12px; }
.avatar { flex-shrink: 0; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; background: #fff; }
#sign-out { width: 100%; background: transparent; }
.studio-workspace { min-width: 0; }
.workspace-bar { height: 64px; padding: 0 40px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 13px; }
.environment-badge { border: 1px solid var(--line); padding: 3px 8px; border-radius: 4px; font-size: 10px; letter-spacing: .06em; font-weight: 600; background: var(--surface); }
.studio-main { max-width: 1500px; margin: 0 auto; padding: 40px 40px 80px; }
.catalog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin: 0 0 28px; }
.catalog-heading p, .studio-main > p:not(.eyebrow) { color: var(--muted); max-width: 78ch; }
.catalog-heading p { margin-bottom: 0; }
.catalog-heading > a { flex-shrink: 0; }
.studio-main > a:first-of-type { display: inline-block; padding: 8px 0; margin-bottom: 16px; font-size: 13px; }
.catalog-filters { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 12px; padding: 18px 0; margin-bottom: 8px; }
.catalog-filters label { display: grid; gap: 6px; flex: 1 1 150px; max-width: 240px; }
.catalog-filters label:first-child { max-width: 420px; }
.catalog-filters > input { flex: 2 1 220px; width: auto; }
.catalog-filters > select { flex: 1 1 150px; width: auto; }
.catalog-filters a { min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; }
.table-responsive { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
.table th { padding: 13px 20px; background: var(--surface); font-size: 12px; color: var(--muted); font-weight: 550; white-space: nowrap; }
.table td { padding: 18px 20px; border-top: 1px solid var(--line); vertical-align: top; }
.table tbody tr:hover { background: #fafafa; }
.table td:first-child a { font-weight: 600; display: inline-block; padding: 3px 0; }
.table td small { display: block; margin-top: 4px; }
.table time { white-space: nowrap; }
.table code { white-space: normal; overflow-wrap: anywhere; }
.table details { min-width: 160px; max-width: 500px; }
.table details code { display: block; margin-top: 10px; }
.table td.empty-state { padding: 48px 24px; }
.empty-state h2 { margin-bottom: 8px; }
.empty-state p { color: var(--muted); }
.list-footer { display: flex; gap: 16px; justify-content: space-between; align-items: center; margin-top: 18px; font-size: 13px; color: var(--muted); }
.list-footer p { margin: 0; }
nav[aria-label$="pages"] { display: flex; gap: 16px; }
nav[aria-label$="pages"] a { min-height: 44px; display: inline-flex; align-items: center; }
.revision-badge { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); padding: 3px 8px; color: #45474c; font-size: 11px; font-weight: 550; white-space: nowrap; }
.revision-badge.live { color: var(--ink); background: #eaeaec; }
.publication-status { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; margin: 24px 0; padding: 16px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); font-size: 13px; }
.publication-status span { color: var(--muted); }
.editor-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 28px; align-items: start; }
#website-form { min-width: 0; }
.editor-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); position: sticky; top: 12px; z-index: 5; box-shadow: 0 3px 12px #00000008; font-size: 13px; }
.editor-toolbar a { min-height: 44px; display: inline-flex; align-items: center; }
.editor-help { margin: 18px 0; color: var(--muted); font-size: 13px; }
.editor-help summary { padding: 8px 0; }
.editor-help p { margin: 8px 0; }
.preview-help { overflow-wrap: anywhere; }
.editor-section-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; font-size: 12px; }
.editor-section-links span { flex-basis: 100%; color: var(--muted); margin-bottom: 4px; }
.editor-section-links a { border: 1px solid var(--line); border-radius: 5px; padding: 10px 12px; text-decoration: none; min-height: 40px; }
.editor-section-links a:hover { background: var(--surface); }
.website-search { margin: 24px 0; }
.website-search label { display: block; margin-bottom: 6px; }
.website-search .muted { margin: 8px 0 0; }
.website-search .muted:empty { display: none; }
.editor-section { margin: 16px 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 0 22px; scroll-margin-top: 135px; }
summary { cursor: pointer; }
.editor-section > summary { padding: 18px 0; font-weight: 600; font-size: 16px; }
.section-count { float: right; font-size: 12px; color: var(--muted); font-weight: 400; }
.translation-field { padding: 20px 0; border-top: 1px solid var(--line); }
.translation-field legend { padding: 0; margin-bottom: 10px; font-size: 14px; font-weight: 600; float: left; width: 100%; }
.translation-field code { display: block; color: var(--muted); font-size: 10px; font-weight: 400; padding-top: 3px; }
.translation-columns, .catalog-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; clear: both; }
.translation-columns label { display: block; color: var(--muted); font-size: 12px; }
.translation-columns textarea { margin-top: 6px; font-size: 16px; }
.revision-sidebar { position: sticky; top: 12px; min-width: 0; }
.history { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.history summary { font-weight: 600; font-size: 14px; }
.history .muted { margin: 12px 0; font-size: 12px; }
.history ul { padding: 0 5px 0 0; list-style: none; max-height: max(180px, calc(100dvh - 260px)); overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; margin: 0; }
.history li { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; padding: 16px 0; border-top: 1px solid var(--line); font-size: 13px; }
.history time { font-size: 11px; color: var(--muted); }
.history button { font-size: 12px; }
.revision-labels { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.catalog-panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 20px 0; min-width: 0; }
.catalog-panel > p, .catalog-panel > small { color: var(--muted); font-size: 13px; }
.catalog-panel label { display: block; margin: 16px 0; }
.catalog-panel :is(input:not([type=checkbox]), select, textarea) { display: block; margin-top: 6px; font-weight: 400; }
.catalog-panel small { display: block; margin-top: 6px; font-size: 12px; font-weight: 400; }
.catalog-panel li { padding: 12px 0; }
.catalog-panel ul { padding-left: 20px; }
.catalog-panel .catalog-heading { margin: 0 0 12px; align-items: center; }
.catalog-panel .catalog-heading h2 { margin: 0; }
.catalog-actions { position: sticky; bottom: 12px; z-index: 6; display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 14px; margin: 24px 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 3px 16px #0000000d; }
.editor-save-state { font-size: 12px; color: var(--muted); margin-left: auto; }
.catalog-columns > .catalog-panel { margin-top: 0; }
.catalog-panel figure { margin: 0; }
.catalog-panel blockquote { margin: 0 0 16px; line-height: 1.8; }
.catalog-confirm { width: 480px; max-width: calc(100vw - 32px); padding: 28px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); }
.catalog-confirm::backdrop { background: #17181b66; }
.catalog-confirm button { margin: 12px 8px 0 0; }
.admin-auth { padding: 18px; margin: 0 0 24px; border: 1px solid #bfc1c6; border-radius: var(--radius); background: var(--surface); }
.studio-main > .admin-auth { position: sticky; top: 12px; z-index: 20; max-height: calc(100dvh - 24px); overflow: auto; box-shadow: 0 4px 16px #00000010; }
.admin-auth p { margin: 0 0 12px; }
.admin-auth[data-state=access_denied], .admin-auth[data-state=account_changed] { border-color: #b86d65; }
.auth-actions { display: flex; flex-wrap: wrap; gap: 8px; }
#auth-sign-in { display: flex; justify-content: center; margin: 24px 0 12px; }
#auth-sign-in-note { max-width: 480px; margin: 12px auto 0; }
#admin-status:not(:empty) { position: fixed; bottom: 20px; right: 24px; z-index: 30; width: max-content; max-width: min(520px, calc(100% - 32px)); padding: 16px 20px; margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 4px 24px #00000014; font-size: 14px; }
#admin-status[data-error=true] { color: #8b3028; border-color: #c9958e; }
.editor-toolbar #admin-status:not(:empty), .catalog-actions #admin-status:not(:empty) { position: static; flex-basis: 100%; width: 100%; max-width: none; margin: 0; box-shadow: none; order: 2; }
.login-card { width: min(520px, calc(100% - 32px)); margin: 8vh auto; padding: 36px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.login-card .studio-brand { margin-bottom: 36px; }
.login-card h1 { font-size: 28px; }
.login-card > p { color: var(--muted); }
.login-card .admin-auth { padding: 0; margin-top: 24px; border: 0; background: transparent; }
#auth-sign-in { min-width: 0; }
#auth-sign-in > *, #auth-sign-in .cl-cardBox { width: 100%; max-width: 100%; min-width: 0; }
#auth-sign-in .cl-card { padding: 20px; max-width: 100%; }
#auth-sign-in .cl-headerTitle { font-size: 20px; letter-spacing: -.02em; }
.login-card #auth-sign-in .cl-cardBox { box-shadow: none; border: 1px solid var(--line); border-radius: var(--radius); }
.login-card #auth-sign-in .cl-signIn-start .cl-header { display: none; }
body[data-login] { background: var(--surface); min-height: 100dvh; }
.overview-intro { padding: 4px 0 28px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.overview-intro p { color: var(--muted); margin-bottom: 0; }
.overview-intro .eyebrow { margin-bottom: 12px; }
.overview-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, 1fr); gap: 48px; }
.workspace-tasks { margin: 0; }
.workspace-task { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.workspace-task:first-child { padding-top: 12px; }
.workspace-task:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.workspace-task strong { display: block; font-size: 17px; font-weight: 600; margin-bottom: 5px; }
.workspace-task small { display: block; max-width: 50ch; }
.workspace-task .task-meta { font-size: 12px; color: var(--muted); display: block; margin-top: 10px; }
.overview-section { margin-bottom: 36px; }
.overview-section > h2 { font-size: 16px; }
.overview-section > p { font-size: 14px; color: var(--muted); }
.activity-feed { list-style: none; padding: 0; margin: 0 0 16px; }
.activity-feed li { border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 14px; }
.activity-feed small { display: block; font-size: 12px; margin-top: 4px; }
.overview-section .publication-status { display: block; margin: 0 0 16px; }
.overview-section .publication-status strong { display: block; margin-bottom: 5px; }
@media (max-width: 1200px) {
  .studio-shell { grid-template-columns: 212px minmax(0, 1fr); }
  .studio-main { padding: 32px 24px 70px; }
  .workspace-bar { padding: 0 24px; }
  .editor-layout { gap: 20px; grid-template-columns: minmax(0, 1fr) 230px; }
  .overview-layout { gap: 28px; }
}
@media (max-width: 1000px) {
  .editor-layout { grid-template-columns: minmax(0, 1fr); }
  .revision-sidebar { position: static; grid-row: 1; }
  .history ul { max-height: 220px; }
  .overview-layout { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .studio-shell { display: block; }
  .studio-header { position: static; height: auto; padding: 18px 16px 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .studio-brand { font-size: 15px; }
  .studio-header nav { display: flex; flex-wrap: wrap; margin-top: 16px; gap: 4px; }
  .studio-header nav a { font-size: 13px; margin: 0; gap: 6px; padding: 10px 12px; }
  .nav-label { display: none; }
  .sidebar-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 8px; }
  .staff-profile { display: none; }
  #sign-out { width: auto; border: 0; }
  .workspace-bar { padding: 0 16px; height: 48px; }
  .studio-main { padding: 28px 16px 64px; }
  .catalog-heading { flex-direction: column; gap: 16px; }
  .catalog-heading > a { align-self: flex-start; }
  .catalog-columns, .translation-columns { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .catalog-filters label { max-width: none; }
  .catalog-panel { padding: 20px 16px; }
  .editor-section { padding: 0 16px; scroll-margin-top: 185px; }
  .editor-toolbar { top: 8px; gap: 8px 12px; }
  .editor-toolbar a { font-size: 12px; }
  .editor-save-state { flex-basis: 100%; margin-left: 0; }
  .table th, .table td { padding: 14px; }
  .table { min-width: 520px; }
  .list-footer { align-items: flex-start; }
  .login-card { padding: 24px; margin: 24px auto; }
  .workspace-task { gap: 16px; }
  .section-count { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }

/* Level-test authoring: ordered cards, sized to the available workspace. */
#assessment-form { container-type: inline-size; }
.assessment-language-controls { display: flex; gap: 8px; margin: 24px 0; }
.assessment-language-controls [aria-pressed=true] { background: var(--ink); border-color: var(--ink); color: #fff; }
.assessment-settings { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 20px 0; background: var(--surface); }
.assessment-settings summary { min-height: 28px; font-size: 14px; font-weight: 600; }
.assessment-settings label { display: grid; gap: 6px; margin-top: 16px; }
.assessment-board-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 24px 0 16px; }
.assessment-board-toolbar h3 { margin: 0; color: var(--muted); font-size: 14px; }
.assessment-board { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-items: start; }
.assessment-question { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.assessment-question legend { padding: 0 6px; font-weight: 650; font-size: 14px; }
.assessment-question > label { display: grid; gap: 6px; }
.assessment-question textarea { field-sizing: content; min-height: 44px; max-height: 220px; font-size: 14px; padding: 10px; }
.assessment-question > p { margin: 16px 0 8px; }
.assessment-options { display: grid; gap: 8px; }
.assessment-option { display: grid; grid-template-columns: 24px minmax(0, 1fr) 32px; align-items: start; gap: 6px; }
.assessment-option input[type=radio] { width: 20px; height: 20px; min-height: 0; margin: 12px 0; padding: 0; accent-color: var(--ink); }
.assessment-option label { min-width: 0; }
.assessment-option:has(:checked) textarea { border-color: var(--ink); background: var(--surface); }
.assessment-option button { width: 32px; padding: 0; border-color: transparent; font-size: 20px; }
.assessment-add-option { margin-top: 10px; background: var(--surface); }
.assessment-explanation { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 8px; font-size: 13px; }
.assessment-explanation summary { min-height: 44px; display: flex; align-items: center; }
.assessment-explanation label { display: grid; gap: 6px; }
.assessment-question-actions { display: flex; gap: 8px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 8px; }
.assessment-question-actions button { padding-inline: 12px; }
.assessment-question-actions button:last-child { margin-left: auto; }
.assessment-add-question { width: 100%; margin-top: 16px; border-style: dashed; background: var(--surface); }
@container (min-width: 600px) { .assessment-board { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@container (min-width: 900px) { .assessment-board { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@container (min-width: 1240px) { .assessment-board { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

@container (max-width: 599px) { #assessment-form .catalog-actions { position: static; } }