/* Visual foundation generated in Open Design; adapted for server-rendered pages. */
:root {
  --bg:      oklch(99% 0.002 240);
  --surface: oklch(100% 0 0);
  --fg:      oklch(18% 0.012 250);
  --muted:   oklch(54% 0.012 250);
  --border:  oklch(92% 0.005 250);
  --accent:  oklch(58% 0.18 255);
  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
  --soft: oklch(97.5% 0.003 240);
  --success: oklch(43% 0.09 158);
  --danger: oklch(48% 0.16 25);
  --warn: oklch(46% 0.10 72);
  --line-strong: oklch(62% 0.008 250);
  --radius: 12px;
}
* { box-sizing: border-box; }
html { font-family: var(--font-body); color: var(--fg); background: var(--bg); -webkit-font-smoothing: antialiased; }
body { margin: 0; font-size: 14px; line-height: 1.6; }
button, input, select, textarea { font: inherit; color: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button, select { cursor: pointer; }
button, a { touch-action: manipulation; }
button { letter-spacing: .02em; }
button { border: 0; background: none; }
button:disabled { opacity: .4; cursor: not-allowed; }
a { color: inherit; text-decoration: none; }
button, a, input, select, textarea { outline-offset: 4px; }
:focus-visible { outline: 2px solid var(--fg); }
input, select, textarea { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--line-strong); border-radius: 7px; padding: 10px 12px; background: var(--surface); }
input::placeholder, textarea::placeholder { color: var(--muted); }
input[type="checkbox"], input[type="radio"] { width: 18px; min-height: 18px; margin: 0; accent-color: var(--fg); flex-shrink: 0; }
textarea { resize: vertical; }
select { padding-right: 26px; }
label { display: grid; gap: 7px; font-weight: 500; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { padding: 0; margin-bottom: 8px; font-weight: 500; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; }
h1 { font-size: clamp(28px, 2.4vw, 34px); line-height: 1.2; letter-spacing: -.02em; }
h2 { font-size: 20px; line-height: 1.4; letter-spacing: -.01em; }
h3 { font-size: 16px; line-height: 1.5; }
strong { font-weight: 600; }
svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
[hidden] { display: none !important; }
.svg-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.small, small { font-size: 12px; letter-spacing: .015em; line-height: 1.6; }
.muted, .quiet { color: var(--muted); }
.quiet { font-size: 12px; }
.eyebrow, .tiny-label { font-size: 10px; letter-spacing: .1em; font-weight: 500; color: var(--muted); }
.eyebrow { margin-bottom: 12px; }
.label { font-size: 13px; color: var(--muted); letter-spacing: .02em; }
.roomy { margin: 22px 0; }
.full-width { width: 100%; }
.right { text-align: right; }
.flip { transform: rotate(180deg); }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; border: 1px solid var(--line-strong); border-radius: 7px; background: var(--surface); padding: 10px 16px; font-size: 13px; font-weight: 500; letter-spacing: .02em; transition: background .15s, transform .15s; }
.button:hover:not(:disabled) { background: var(--soft); }
.button:active:not(:disabled) { transform: translateY(1px); }
.primary { background: var(--accent); color: var(--surface); border-color: var(--accent); box-shadow: 0 2px 2px color-mix(in oklch, var(--fg) 8%, transparent); }
.primary:hover:not(:disabled) { background: color-mix(in oklch, var(--accent) 88%, var(--fg)); }
.compact { padding-inline: 12px; }
.text-button, .subtle-link { display: inline-flex; align-items: center; gap: 10px; font-weight: 500; min-height: 44px; }
.text-button { padding: 0; }
.text-button:hover, .subtle-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: 7px; color: var(--muted); }
.icon-button:hover { color: var(--fg); background: var(--soft); }
.pill { display: inline-flex; align-items: center; gap: 5px; width: fit-content; max-width: 100%; padding: 3px 8px; border-radius: 4px; background: var(--soft); font-size: 11px; font-weight: 500; letter-spacing: .02em; overflow-wrap: anywhere; }
.skip-link { position: fixed; top: -100px; left: 16px; background: var(--fg); color: var(--surface); padding: 12px; z-index: 100; }
.skip-link:focus { top: 10px; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 220px; padding: 32px 18px 0; border-right: 1px solid var(--border); background: var(--soft); display: flex; flex-direction: column; z-index: 30; }
.brand { display: inline-flex; align-items: center; gap: 11px; width: fit-content; padding: 0 12px; font-size: 14px; line-height: 1.1; font-weight: 600; letter-spacing: .09em; }
.brand-second { display: block; margin-top: 4px; }
.brand-mark { width: 35px; height: 39px; border-radius: 5px; background: var(--fg); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 4px; padding-left: 9px; transform: rotate(-3deg); }
.brand-mark i { display: block; height: 3px; width: 18px; background: var(--surface); }
.brand-mark i:nth-child(2) { width: 12px; }
.nav-label { margin: 44px 12px 12px; color: var(--muted); font-size: 11px; letter-spacing: .04em; }
.second-label { margin-top: 32px; }
.nav-list { display: grid; gap: 5px; }
.nav-list a { display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 13px; min-height: 46px; border-radius: 7px; text-align: left; color: var(--muted); font-weight: 500; font-size: 13px; }
.nav-list a:hover { background: color-mix(in oklch, var(--fg) 4%, transparent); color: var(--fg); }
.nav-list .active { color: var(--accent); background: color-mix(in oklch, var(--accent) 8%, var(--surface)); }
.nav-count { margin-left: auto; font-size: 11px; font-variant-numeric: tabular-nums; }
.sidebar-note { margin: auto 12px 36px; padding-top: 52px; }
.sidebar-note .tiny-label { font-size: 8px; }
.sidebar-note p { margin: 12px 0 18px; line-height: 1.9; font-size: 16px; }
.fine-rule { display: block; width: 22px; height: 1px; background: var(--line-strong); margin-bottom: 14px; }
.sidebar-note small { font-size: 11px; color: var(--muted); }
.account { border-top: 1px solid var(--border); padding: 19px 7px; display: flex; align-items: center; text-align: left; gap: 10px; min-width: 0; }
.avatar { width: 34px; height: 34px; border: 1px solid var(--border); background: var(--surface); border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; font-size: 12px; }
.account>span:nth-child(2) { min-width: 0; flex: 1; }
.account strong { display: block; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account small { display: block; font-size: 10px; color: var(--muted); }
.account>svg { width: 15px; color: var(--muted); }
.workspace { margin-left: 220px; min-width: 0; }
.topbar { height: 70px; padding: 0 36px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); background: var(--bg); }
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.breadcrumb { display: flex; align-items: center; gap: 16px; color: var(--muted); font-size: 12px; }
.breadcrumb>span { color: var(--line-strong); }
.breadcrumb strong { color: var(--fg); font-weight: 500; }
main { min-width: 0; }
.page { max-width: 1440px; margin: 0 auto; padding: 38px 36px 24px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.lede { color: var(--muted); margin-top: 12px; max-width: 65ch; font-size: 13px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); min-width: 0; }
.padded { padding: 28px; }
.bank-intro { display: grid; grid-template-columns: 1.55fr 1fr; gap: 20px; margin-bottom: 30px; }
.inventory { display: flex; align-items: center; padding: 24px 28px; gap: 35px; min-height: 176px; }
.inventory-main { flex: 1; }
.big-number { font-size: 48px; line-height: 1.25; letter-spacing: -.03em; font-weight: 500; font-variant-numeric: tabular-nums; }
.big-number>span { font-size: 12px; color: var(--muted); margin-left: 9px; letter-spacing: 0; }
.inventory-breakdown { flex: 1; border-left: 1px solid var(--border); padding-left: 28px; }
.inventory-breakdown>div { display: flex; gap: 8px; align-items: center; font-size: 12px; padding: 5px 0; white-space: nowrap; }
.inventory-breakdown strong { margin-left: auto; padding-left: 15px; font-size: 16px; font-variant-numeric: tabular-nums; }
.type-dot { width: 6px; height: 6px; background: var(--fg); border-radius: 2px; }
.type-dot.light { background: var(--line-strong); }
.inventory-breakdown .inventory-foot { margin-top: 10px; font-size: 10px; color: var(--muted); }
.quick-practice { padding: 23px 28px 17px; background: var(--soft); }
.quick-practice h2 { margin: 6px 0; font-size: 20px; }
.quick-practice p { color: var(--muted); font-size: 12px; }
.quick-practice .text-button { margin-top: 8px; font-size: 12px; }
.quick-practice .text-button svg { width: 17px; }
.library { overflow: clip; }
.library-top { padding: 0 22px; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); }
.library-top>select { width: auto; margin: 12px 0; }
.tabs { display: flex; align-self: stretch; gap: 26px; }
.tab { display: flex; align-items: center; gap: 8px; padding: 15px 0; min-height: 54px; font-size: 13px; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tab.active { color: var(--fg); border-color: var(--fg); font-weight: 600; }
.tab>span { background: var(--soft); padding: 1px 6px; border-radius: 4px; font-size: 10px; font-variant-numeric: tabular-nums; }
.csv-actions .button { font-size: 12px; }
.csv-actions svg { width: 16px; }
.filters { display: flex; align-items: center; gap: 10px; padding: 20px 22px 14px; }
.search-field { display: flex; align-items: center; gap: 9px; flex: 1; min-width: 140px; height: 44px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 7px; font-weight: 400; }
.search-field svg { width: 17px; color: var(--muted); }
.search-field input { padding: 8px 0; border: 0; background: transparent; font-size: 12px; outline-offset: -1px; }
kbd { display: inline-grid; place-items: center; border: 1px solid var(--border); width: 18px; height: 21px; font-size: 11px; border-radius: 3px; color: var(--muted); flex-shrink: 0; }
.bank-summary > summary, .filter-details > summary { display: none; }
.filter-details { flex: 1; min-width: 0; }
.filter-fields { display: flex; align-items: center; gap: 8px; }
.filter-fields select { flex: 1; width: 110px; font-size: 12px; }
.filter-fields .actions { flex-wrap: nowrap; }
summary { cursor: pointer; }
.sample-note { display: block; padding: 0 22px 17px; font-size: 11px; color: var(--muted); }
.sample-note summary { width: fit-content; }
.sample-note svg { width: 14px; height: 18px; }
.question-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.question-table th { background: var(--soft); color: var(--muted); text-align: left; font-size: 11px; letter-spacing: .02em; font-weight: 500; padding: 11px 12px; }
.question-table th:first-child { width: 104px; padding-left: 22px; }
.question-table th:nth-child(3) { width: 86px; }
.question-table th:nth-child(4) { width: 105px; }
.question-table th:nth-child(5) { width: 62px; }
.question-table th:last-child { width: 105px; padding-right: 22px; text-align: right; }
.question-table td { padding: 16px 12px; border-bottom: 1px solid var(--border); font-size: 12px; overflow-wrap: anywhere; }
.question-table tr:last-child td { border-bottom: 0; }
.question-table tbody tr:hover { background: color-mix(in oklch, var(--soft) 60%, var(--surface)); }
.question-table td:first-child { padding-left: 22px; font-size: 10px; font-variant-numeric: tabular-nums; color: var(--muted); }
.question-title { padding: 0; text-align: left; font-size: 13px; line-height: 1.65; font-weight: 500; letter-spacing: 0; min-height: 44px; display: block; width: 100%; }
.question-title:hover { text-decoration: underline; text-underline-offset: 4px; }
.row-actions { display: flex; justify-content: flex-end; }
.row-actions .icon-button { width: 36px; min-width: 36px; }
.row-actions svg { width: 16px; }
.pagination { border-top: 1px solid var(--border); padding: 13px 22px; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 11px; color: var(--muted); }
.pagination select { min-height: 36px; font-size: 11px; padding: 6px 22px 6px 9px; width: 94px; }
.page-number { padding: 3px 9px; min-width: 30px; color: var(--fg); font-variant-numeric: tabular-nums; text-align: center; }
.page-foot { display: flex; justify-content: space-between; gap: 16px; margin-top: 24px; color: var(--muted); font-size: 10px; }
.page-foot>span:last-child { letter-spacing: .06em; }
.empty-state { padding: 50px 20px; display: grid; justify-items: center; text-align: center; gap: 10px; }
.empty-state>svg { width: 32px; height: 32px; color: var(--line-strong); margin-bottom: 4px; }
.empty-state p { color: var(--muted); font-size: 13px; max-width: 40ch; }
.empty-state .button { margin-top: 10px; }
.notice { background: var(--soft); border-radius: 7px; padding: 12px 16px; font-size: 12px; color: var(--muted); margin-bottom: 24px; }
.stats-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; margin: 24px 0; }
.stat { padding: 22px; }
.stat strong { display: block; font-size: 32px; letter-spacing: -.02em; line-height: 1.5; font-weight: 500; font-variant-numeric: tabular-nums; }
.stat>small { color: var(--muted); font-size: 11px; }
.two-column { display: grid; grid-template-columns: 1.1fr 1fr; gap: 22px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.section-heading .subtle-link { font-size: 12px; }
.route-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; text-align: left; padding: 18px 0; border-bottom: 1px solid var(--border); }
.route-row:hover { background: var(--soft); }
.route-row:last-child { border-bottom: 0; }
.route-row strong { display: block; font-size: 13px; }
.route-row small { color: var(--muted); display: block; margin-top: 4px; }
.setup-panel { padding: 32px; max-width: 900px; }
.mode-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin: 24px 0 30px; }
.mode-card { position: relative; padding: 20px 18px 20px 48px; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 8px; cursor: pointer; gap: 4px; }
.mode-card strong { font-size: 14px; }
.mode-card span { font-size: 12px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-bottom: 18px; }
.form-grid.three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.form-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid var(--border); padding-top: 22px; margin-top: 26px; }
.form-error { color: var(--danger); font-size: 12px; margin-top: 12px; }
.form-error:empty { display: none; }
.exam-layout { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(220px,1fr); gap: 40px; }
.exam-notes { padding: 24px 0; }
.exam-notes h2 { margin: 14px 0; }
.exam-notes ol { margin: 24px 0; padding-left: 20px; font-size: 13px; color: var(--muted); }
.exam-notes li { margin: 16px 0; padding-left: 5px; }
.session-layout { display: grid; grid-template-columns: minmax(0,1fr) 210px; align-items: start; gap: 24px; }
.question-card { padding: clamp(20px,3vw,40px); }
.question-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 12px; }
.question-stem { font-size: 22px; line-height: 1.6; overflow-wrap: anywhere; }
.answer-options { display: grid; gap: 12px; border: 0; }
.answer-option { display: flex; align-items: center; gap: 14px; border: 1px solid var(--line-strong); padding: 15px 18px; border-radius: 7px; cursor: pointer; min-height: 58px; font-weight: 400; }
.answer-option:has(input:checked) { background: var(--soft); border-color: var(--fg); box-shadow: inset 0 0 0 1px var(--fg); }
.option-letter { font-size: 13px; font-weight: 500; }
.answer-option:has(input:disabled) { cursor: default; }
.answer-option.correct { border-color: var(--success); background: color-mix(in oklch, var(--success) 7%, var(--surface)); box-shadow: none; }
.answer-option.incorrect { border-color: var(--danger); background: color-mix(in oklch, var(--danger) 5%, var(--surface)); box-shadow: none; }
.feedback { margin-top: 24px; border: 1px solid var(--success); background: color-mix(in oklch, var(--success) 5%, var(--surface)); padding: 20px; border-radius: 8px; }
.feedback.wrong { border-color: var(--danger); background: color-mix(in oklch, var(--danger) 4%, var(--surface)); }
.feedback h3 { color: var(--success); display: flex; align-items: center; gap: 8px; }
.feedback.wrong h3 { color: var(--danger); }
.feedback p { margin-top: 10px; font-size: 13px; overflow-wrap: anywhere; }
.answer-sheet { padding: 20px; }
.option-fields { display: grid; gap: 9px; margin-bottom: 20px; }
.option-fields label { display: flex; align-items: center; gap: 12px; }
.option-fields span { width: 14px; font-size: 12px; }
.tag-form { display: flex; gap: 10px; margin-top: 12px; }
.file-drop { margin: 24px 0 12px !important; border: 1px dashed var(--line-strong); padding: 28px 20px; border-radius: 8px; display: grid; justify-items: center; text-align: center; gap: 8px; background: var(--soft); }
.file-drop svg { width: 26px; height: 26px; margin-bottom: 6px; }
.file-drop span { font-size: 11px; color: var(--muted); }
.file-drop input { font-size: 12px; border: 0; padding: 10px 0 0; }
.login-page { min-height: 100dvh; display: grid; grid-template-columns: 1fr 1fr; }
.login-story { background: var(--soft); padding: 55px clamp(32px,6vw,96px); display: flex; flex-direction: column; justify-content: space-between; gap: 60px; border-right: 1px solid var(--border); }
.login-story .brand { padding: 0; }
.login-story h1 { font-size: clamp(38px,4vw,60px); line-height: 1.35; letter-spacing: -.025em; margin: 22px 0; }
.login-story p { color: var(--muted); line-height: 1.9; }
.login-story>.small { color: var(--muted); }
.login-form-wrap { display: grid; place-items: center; padding: 40px; }
.login-form-wrap form { max-width: 360px; width: 100%; }
.login-form-wrap h2 { font-size: 30px; letter-spacing: -.02em; margin: 24px 0 10px; }
.login-form-wrap label { margin-top: 22px; }
.login-form-wrap .primary { margin-top: 28px; }
.login-demo { color: var(--muted); padding: 18px; background: var(--soft); margin: 24px 0 12px; border-radius: 7px; }
@media (min-width: 1600px) { .page { padding-top: 46px; } .question-table td { padding-block: 22px; } .bank-intro { margin-bottom: 36px; } }
@media (max-width: 1190px) { .sidebar { width: 196px; padding-inline: 12px; } .workspace { margin-left: 196px; } .page { padding: 30px 24px 22px; } .topbar { padding-inline: 24px; } .inventory { gap: 20px; padding: 22px; } .inventory-breakdown { padding-left: 20px; } .bank-intro { gap: 16px; } .quick-practice { padding: 22px; } .filters { flex-wrap: wrap; gap: 8px; } .search-field { flex-basis: 100%; } .question-table th:nth-child(4) { width: 88px; } .question-table th:first-child { width: 95px; } .exam-layout { gap: 24px; } .session-layout { grid-template-columns: minmax(0,1fr) 180px; gap: 16px; } .answer-sheet { padding: 14px; } }
@media (max-width: 960px) { .bank-intro { grid-template-columns: 1fr; } .inventory { min-height: 155px; } .quick-practice { display: grid; grid-template-columns: 1fr auto; gap: 4px 15px; } .quick-practice>.label { display: none; } .quick-practice h2 { font-size: 17px; margin: 0; } .quick-practice p { grid-column: 1; } .quick-practice .text-button { grid-column: 2; grid-row: 1 / 3; margin: 0; } .library-top { flex-wrap: wrap; gap: 6px; padding-block: 10px; } .tabs { gap: 22px; } .csv-actions { margin-left: auto; } .stats-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .two-column, .exam-layout { grid-template-columns: 1fr; } .exam-notes { padding-top: 0; } .session-layout { grid-template-columns: 1fr; } .answer-sheet { order: -1; } .answer-sheet h3, .answer-sheet>p { display: inline; margin-right: 10px; } .question-table th:nth-child(4), .question-table td:nth-child(4) { display: none; } }
@media (max-width: 760px) { .sidebar { transform: translateX(-100%); width: 240px; transition: transform .2s ease; padding-top: 26px; } body.nav-open .sidebar { transform: translateX(0); } .nav-scrim { position: fixed; inset: 0; z-index: 25; background: color-mix(in oklch, var(--fg) 28%, transparent); } .workspace { margin-left: 0; } .topbar { height: 64px; padding: 0 16px 0 8px; } .breadcrumb { gap: 12px; font-size: 11px; } .page { padding: 28px 20px 22px; } .page-heading { margin-bottom: 24px; gap: 12px; } .page-heading .eyebrow { font-size: 9px; margin-bottom: 10px; } .page-heading .button { padding-inline: 12px; } .page-heading h1 { font-size: 28px; } .lede { font-size: 12px; margin-top: 9px; } .bank-intro { margin-bottom: 24px; } .inventory { min-height: 144px; } .big-number { font-size: 42px; } .library-top { padding-inline: 16px; } .filters { padding: 16px; } .sample-note { padding: 0 16px 16px; } .pagination { padding-inline: 14px; } .page-foot { flex-direction: column; gap: 6px; } .setup-panel, .padded { padding: 24px; } .login-page { grid-template-columns: 1fr; } .login-story { min-height: 250px; padding: 26px; gap: 24px; } .login-story>div { display: none; } .login-story { min-height: 140px; } .login-form-wrap { padding: 34px 26px 60px; } }
@media (max-width: 600px) { .page { padding-inline: 16px; } .page-heading { align-items: flex-start; } .page-heading>.button { margin-top: 28px; flex-shrink: 0; font-size: 12px; } .page-heading>.button svg { width: 16px; } .quick-practice { padding: 18px 20px; } .quick-practice h2 { font-size: 16px; } .quick-practice p { font-size: 11px; } .quick-practice .text-button { font-size: 11px; gap: 6px; } .inventory { padding: 22px; gap: 18px; } .inventory-breakdown { padding-left: 20px; } .tabs { gap: 20px; } .tab { min-height: 50px; font-size: 12px; } .csv-actions { width: 100%; margin: 0; padding: 8px 0 2px; } .csv-actions .button { flex: 1; min-height: 44px; } .library-top { padding-top: 0; } .question-table thead { display: none; } .question-table, .question-table tbody { display: block; } .question-table tr { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 7px 10px; padding: 18px 16px; border-bottom: 1px solid var(--border); } .question-table tr:last-child { border: 0; } .question-table td { display: block; padding: 0; border: 0; } .question-table td:first-child { padding: 0; grid-column: 1 / 3; font-size: 10px; } .question-table td:nth-child(2) { grid-column: 1 / -1; grid-row: 2; padding: 2px 0 4px; } .question-table td:nth-child(3) { grid-column: 1; grid-row: 3; } .question-table td:nth-child(4) { display: block; grid-column: 2; grid-row: 3; color: var(--muted); font-size: 11px; } .question-table td:nth-child(5) { grid-column: 3; grid-row: 3; } .question-table td:last-child { grid-column: 3 / 5; grid-row: 1; justify-self: end; margin: -9px -7px -5px 0; } .question-title { font-size: 14px; min-height: 0; line-height: 1.7; } .row-actions .icon-button { width: 44px; } .pagination { gap: 5px; flex-wrap: wrap; } .pagination>.actions { gap: 2px; margin-left: auto; } .pagination>.actions .icon-button { width: 40px; } .stats-grid { gap: 10px; } .stat { padding: 18px; } .stat strong { font-size: 28px; } .mode-grid { grid-template-columns: 1fr; } .mode-card { padding-block: 15px; } .mode-card input { top: 22px; } .form-grid, .form-grid.three { grid-template-columns: 1fr; gap: 16px; } .setup-panel, .padded { padding: 22px; } .form-bottom { align-items: flex-start; flex-direction: column; } .form-bottom .button { width: 100%; } .question-stem { font-size: 19px; } .answer-option { padding: 14px; gap: 10px; } .tag-form { flex-wrap: wrap; } .tag-form input { flex: 1; } .tag-form .button { flex-shrink: 0; } .login-story .brand { font-size: 12px; } .eyebrow { overflow-wrap: anywhere; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

/* Live application layouts and states. */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.auth-workspace .notice { margin: 16px; }
main > .notice { margin: 20px 36px 0; }
.danger, .error { color: var(--danger); }
.success { color: var(--success); }
.notice.error, .pill.error { background: color-mix(in oklch, var(--danger) 6%, var(--surface)); }
.notice.success, .pill.success { background: color-mix(in oklch, var(--success) 7%, var(--surface)); }
.notice a { text-decoration: underline; }
.saved svg { color: var(--accent); fill: color-mix(in oklch, var(--accent) 15%, transparent); }
.data-issue { display: block; margin-top: 6px; color: var(--warn); font-size: 11px; }
.row-actions { flex-wrap: nowrap; gap: 2px; }
.tag-form { align-items: center; }
.tag-form input { max-width: 220px; font-size: 12px; }
.editor-panel > label { margin-bottom: 20px; }
.delete-row { max-width: 900px; margin-top: 20px; text-align: right; }
.import-guide { margin-top: 24px; color: var(--muted); font-size: 13px; }
.import-guide h3 { color: var(--fg); margin-bottom: 12px; }
.import-guide dl { display: grid; grid-template-columns: 75px 1fr; gap: 10px; }
.import-guide dd { margin: 0; }
.section-gap { margin-top: 28px; }
.stat .big-number { margin-top: 8px; font-size: 38px; }
.stat-row { margin-top: 24px; }
.stat-row > div { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
progress { display: block; width: 100%; height: 6px; border: 0; border-radius: 4px; accent-color: var(--accent); }
progress::-webkit-progress-bar { background: var(--soft); border-radius: 4px; }
progress::-webkit-progress-value { background: var(--accent); border-radius: 4px; }
.practice-modes { grid-template-columns: repeat(4,minmax(0,1fr)); }
.practice-modes .mode-card { display: grid; padding: 22px; gap: 12px; border-color: var(--border); }
.practice-modes .mode-card:hover { border-color: var(--accent); }
.practice-modes .mode-card > svg { color: var(--accent); }
.practice-modes .mode-card > svg:last-child { margin-left: auto; width: 16px; }
.question-stem { margin-bottom: 26px; white-space: pre-line; }
.answer-option > span:last-child { white-space: pre-line; overflow-wrap: anywhere; }
.explanation { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); white-space: pre-line; }
.block-link { display: flex; justify-content: center; margin-top: 10px; font-size: 12px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 22px 0; }
.session-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 15px 20px; position: sticky; top: 10px; z-index: 10; font-size: 12px; }
.timer { font-size: 21px; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--accent); }
.question-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.question-nav a { display: grid; place-items: center; min-width: 38px; min-height: 38px; padding: 6px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; }
.question-nav a:hover { border-color: var(--accent); }
[id^="exam-question-"] { margin-bottom: 20px; scroll-margin-top: 105px; }
.score-panel { display: flex; align-items: center; gap: 40px; padding: 28px; margin-bottom: 26px; }
.score-panel .big-number { font-size: 56px; color: var(--accent); }
.score-panel > div:first-child { min-width: 150px; }
.history-table { width: 100%; border-collapse: collapse; }
.history-table th { background: var(--soft); color: var(--muted); font-size: 12px; font-weight: 500; text-align: left; padding: 14px 20px; }
.history-table td { padding: 16px 20px; border-top: 1px solid var(--border); font-size: 13px; }
.history-table td:first-child { width: 55%; }
.history-table td:nth-child(3), .history-table td:nth-child(4) { white-space: nowrap; }
@media (max-height: 820px) { .sidebar-note { padding-top: 22px; margin-bottom: 20px; } .sidebar-note p { font-size: 14px; } .nav-label { margin-top: 28px; } }
@media (max-width: 1190px) { .practice-modes { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 600px) { .session-bar, .score-panel { flex-wrap: wrap; gap: 16px; } .session-bar { top: 0; } .stat .big-number { font-size: 30px; } .history-table thead { display: none; } .history-table tr { display: flex; flex-wrap: wrap; padding: 14px 18px; border-bottom: 1px solid var(--border); gap: 10px; } .history-table td, .history-table td:first-child { width: auto; border: 0; padding: 0; } .history-table td:first-child { width: 100%; } .history-table .question-title { min-height: 0; } .history-table td:last-child { margin-left: auto; } .stat-row > div { flex-wrap: wrap; } main > .notice { margin-inline: 16px; } }

/* Thumb navigation and one-question screens share the desktop forms. */
.mobile-only, .mobile-dock { display: none; }
.bottom-sheet { color: var(--fg); background: var(--surface); border: 1px solid var(--border); border-radius: 20px 20px 0 0; padding: 22px 20px max(20px, env(safe-area-inset-bottom)); width: min(100%, 600px); max-height: 80dvh; overflow-y: auto; position: fixed; inset: auto 0 0; margin: 0 auto; }
.bottom-sheet::backdrop { background: rgb(18 25 35 / .35); }
.bottom-sheet > p { margin-top: 16px; }
.bottom-sheet > .primary { margin-top: 20px; }
.bottom-sheet .question-nav { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); }
.bottom-sheet .question-nav a { min-height: 48px; font-size: 16px; }
.question-nav .answered { background: var(--accent); border-color: var(--accent); color: white; }
.question-nav [aria-current] { outline: 2px solid var(--fg); outline-offset: 2px; }
@media (max-width: 760px) {
  html { scroll-padding-bottom: 100px; }
  body { font-size: 16px; }
  .mobile-only { display: inline-flex; }
  .desktop-only { display: none !important; }
  .workspace { padding-bottom: calc(84px + env(safe-area-inset-bottom)); }
  .page { padding: max(14px, env(safe-area-inset-top)) 16px 20px; }
  .page-heading { align-items: center; margin-bottom: 14px; }
  .page-heading h1 { font-size: 23px; }
  .page-heading .eyebrow, .page-heading .lede, .page-foot { display: none; }
  .page-heading > .button { margin-top: 0; font-size: 14px; }
  .topbar { display: none; }
  .button, .text-button, .subtle-link, input, select, textarea { min-height: 48px; }
  .button, .text-button, .subtle-link { font-size: 14px; }
  input:not([type=checkbox]):not([type=radio]), select, textarea, .search-field input, .filter-fields select, .tag-form input, .file-drop input { font-size: 16px; }
  input[type=checkbox], input[type=radio] { width: 20px; height: 20px; min-height: 20px; }
  .icon-button, .row-actions .icon-button, .pagination > .actions .icon-button { width: 48px; height: 48px; }
  .mobile-dock { display: flex; align-items: center; gap: 8px; position: fixed; inset: auto 0 0; z-index: 20; padding: 8px max(12px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); border-top: 1px solid var(--border); background: var(--surface); box-shadow: 0 -6px 24px rgb(18 25 35 / .04); }
  .mobile-nav > *, .dock-tool { min-height: 52px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 11px; color: var(--muted); border-radius: 8px; }
  .mobile-nav > * { flex: 1; }
  .mobile-nav [aria-current] { color: var(--accent); background: var(--soft); }
  .mobile-dock svg { width: 21px; height: 21px; }
  .dock-tool { min-width: 52px; }
  .mobile-dock .primary { flex: 1; min-height: 52px; font-size: 16px; }
  body.nav-open { overflow: hidden; }
  .sidebar { inset: auto 0 0; width: 100%; max-height: 85dvh; padding: 18px 16px max(16px, env(safe-area-inset-bottom)); border: 1px solid var(--border); border-radius: 20px 20px 0 0; transform: translateY(100%); visibility: hidden; overflow-y: auto; gap: 10px; }
  body.nav-open .sidebar { transform: translateY(0); visibility: visible; }
  .sidebar .brand, .sidebar .nav-label, .sidebar-note { display: none; }
  .sidebar .nav-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 6px; }
  .sidebar .nav-list a { min-height: 48px; padding: 10px; font-size: 14px; gap: 8px; }
  .sidebar .account { padding: 12px 6px; }
  .sidebar > .button { justify-content: center; flex-shrink: 0; }
  .bank-summary { margin-bottom: 12px; }
  .library-page { display: flex; flex-direction: column; }
  .library-page > .bank-summary { order: 1; margin: 16px 0 0; }
  .bank-summary > summary, .filter-details > summary { display: list-item; font-size: 14px; color: var(--muted); padding: 12px 0; min-height: 48px; }
  .bank-summary .bank-intro { margin: 6px 0 16px; }
  .library-top { padding: 0 12px; min-height: 54px; }
  .tabs { gap: 20px; width: 100%; justify-content: space-between; }
  .tab { font-size: 13px; min-height: 54px; }
  .filters { display: block; padding: 12px 14px 0; }
  .search-field { height: 50px; padding-right: 0; }
  .search-field input { min-width: 0; }
  .search-field kbd { display: none; }
  .search-field button { justify-content: center; flex-shrink: 0; }
  .filter-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); padding-bottom: 12px; }
  .filter-fields select { width: 100%; }
  .filter-fields .button { padding-inline: 8px; width: 100%; }
  .sample-note { padding: 0 14px; font-size: 12px; }
  .sample-note summary { min-height: 48px; padding-block: 14px; }
  .sample-note p { padding-bottom: 12px; }
  .question-title { font-size: 16px; }
  .practice-modes { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 18px 0; }
  .practice-modes .mode-card { padding: 16px; gap: 8px; }
  .practice-modes .mode-card > svg:last-child { display: none; }
  .focus-screen .page-heading { min-height: 40px; }
  .focus-screen .page-heading h1 { font-size: 20px; }
  .focus-screen .page-heading > .button { display: none; }
  .focus-progress { font-variant-numeric: tabular-nums; white-space: nowrap; font-size: 12px; }
  .focus-page .question-card { padding: 18px 16px; }
  .session-layout .question-card:not(:has(.feedback)), .paged-exam > .question-card { display: flex; flex-direction: column; min-height: calc(100dvh - 172px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); }
  #answer-form[data-draft] { display: flex; flex-direction: column; flex: 1; }
  #answer-form[data-draft] .answer-options, .paged-exam > .question-card > .answer-options { margin-top: auto; }
  .paged-exam > .question-card { min-height: calc(100dvh - 236px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); }
  .question-card-top { margin-bottom: 14px; gap: 8px; }
  .question-card-top .eyebrow { margin-bottom: 0; font-size: 10px; }
  .question-card-top .quiet { display: none; }
  .question-stem { font-size: 19px; line-height: 1.6; margin-bottom: 20px; }
  .answer-options { gap: 10px; }
  .answer-option { padding: 12px; min-height: 56px; gap: 10px; font-size: 16px; line-height: 1.5; }
  .answer-hint { padding-top: 14px; margin-top: 18px; }
  .feedback { padding: 16px; }
  .feedback p { font-size: 15px; }
  .session-bar { position: static; padding: 10px 14px; gap: 8px; margin-bottom: 14px; }
  .timer { font-size: 18px; }
  .session-bar .mobile-only { display: inline; }
  .paged-exam > .exam-submit { display: none; }
  .exam-dock > .button { flex: 1; padding-inline: 8px; min-height: 52px; font-size: 16px; }
  .exam-dock .dock-tool { width: 84px; }
  .exam-dock strong { font-size: 14px; color: var(--fg); }
  [id^="exam-question-"] { scroll-margin-top: 14px; }
}