/* Deskcheck (vibecodecert.com) v1.0. The exam hall: white booklets on a cool grey desk, drop-out-blue answer-sheet
   print, graphite fills, pencil yellow, examiner red/green for marks only. Own design, written for this site.
   No inline styles anywhere (CSP style-src 'self'): bar lengths are SVG attributes. */

@font-face { font-family: "Charis SIL"; src: url("fonts/charis-sil-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Charis SIL"; src: url("fonts/charis-sil-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Charis SIL"; src: url("fonts/charis-sil-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Libre Franklin"; src: url("fonts/libre-franklin-wght.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Cascadia Code"; src: url("fonts/cascadia-code-wght.woff2") format("woff2"); font-weight: 200 700; font-style: normal; font-display: swap; }

:root {
  --desk: #E9ECF0; --desk-2: #DDE2E8; --desk-3: #CBD3DD;
  --sheet: #FFFFFF; --sheet-2: #F6F7F9;
  --ink: #121826; --ink-2: #374052; --ink-3: #5B6474;
  --rule: #D3DAE3; --rule-2: #E5E9EF;
  --form: #3E6AC4; --form-2: #2B519F; --form-bg: #EBF1FB; --form-line: #BCCDEE;
  --pencil: #FFC629; --pencil-2: #D9A400; --pencil-bg: #FFF5D1;
  --graphite: #2E3136;
  --tick: #0E7A45; --tick-bg: #E4F4EA;
  --cross: #C42B2B; --cross-bg: #FBE8E6;
  --hi: #FFE680;
  --serif: "Charis SIL", Charter, "Bitstream Charter", Georgia, serif;
  --sans: "Libre Franklin", "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow: 0 1px 2px rgba(18, 24, 38, .06), 0 6px 20px rgba(18, 24, 38, .07);
  --shadow-lg: 0 2px 4px rgba(18, 24, 38, .08), 0 22px 48px rgba(18, 24, 38, .16);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--desk); color: var(--ink); font: 400 1.0625rem/1.62 var(--serif); overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: var(--form-2); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--pencil); outline-offset: 2px; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--sans); color: var(--ink); }
code { font: 450 .88em/1.45 var(--mono); font-variant-ligatures: none; background: var(--sheet-2); border: 1px solid var(--rule-2); border-radius: 4px; padding: .06em .32em; overflow-wrap: anywhere; }
strong { font-weight: 700; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 820px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }
.skip { position: absolute; left: -9999px; top: 8px; }
.skip:focus { left: 16px; z-index: 20; background: var(--pencil); color: var(--ink); padding: .6em 1em; font: 700 .95rem var(--sans); border-radius: 6px; }
.vh { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.js-only { display: none !important; }
html.js .js-only { display: revert !important; }
html.js .no-js { display: none !important; }

/* ---------- masthead ---------- */
.mast { background: var(--ink); color: #fff; position: relative; z-index: 6; }
.mast__in { display: flex; align-items: center; gap: 22px; min-height: 66px; }
.logo { display: flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; }
.logo__mark { width: 32px; height: 32px; flex: none; }
.logo__name { font: 800 1.3rem/1 var(--sans); letter-spacing: -.015em; }
.logo__sub { display: block; font: 600 .66rem/1.25 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #A9BDE6; margin-top: 3px; }
.tabs { display: flex; gap: 2px; margin-left: auto; }
.tabs a { color: #D8DFEA; text-decoration: none; font: 600 .93rem/1 var(--sans); padding: 11px 15px; border-radius: 999px; }
.tabs a:hover { background: rgba(255, 255, 255, .09); color: #fff; }
.tabs a[aria-current="page"] { background: #fff; color: var(--ink); }
.mast__go { display: inline-flex; align-items: center; gap: 8px; background: var(--pencil); color: var(--ink); text-decoration: none; font: 750 .93rem/1 var(--sans); padding: 12px 17px; border-radius: 10px; }
.mast__go:hover { background: #FFD24D; }
.menu { display: none; margin-left: auto; }
.menu summary { list-style: none; cursor: pointer; font: 700 .92rem/1 var(--sans); padding: 11px 16px; border: 1.5px solid rgba(255, 255, 255, .35); border-radius: 999px; }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { background: #fff; color: var(--ink); }
.menu__list { position: absolute; left: 0; right: 0; top: 66px; background: var(--ink); padding: 6px 16px 18px; display: grid; border-top: 1px solid rgba(255, 255, 255, .12); box-shadow: 0 18px 30px rgba(0, 0, 0, .25); }
.menu__list a { color: #fff; text-decoration: none; font: 650 1.05rem/1 var(--sans); padding: 15px 2px; border-bottom: 1px solid rgba(255, 255, 255, .09); }
.menu__list a.menu__go { margin-top: 12px; background: var(--pencil); color: var(--ink); border-radius: 10px; padding: 15px 16px; border: 0; }
@media (max-width: 920px) { .tabs, .mast__go { display: none; } .menu { display: block; } }
@media (max-width: 420px) { .logo__sub { display: none; } }
.strip { background: var(--form); color: #fff; font: 650 .7rem/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.strip__in { display: flex; justify-content: space-between; gap: 6px 22px; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; }
.strip b { background: var(--pencil); color: var(--ink); font-weight: 800; padding: 2px 7px; border-radius: 3px; }   /* UX-1: ink on pencil yellow, 11:1 (yellow on blue was 3.3:1) */

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55em; font: 750 1rem/1.1 var(--sans); padding: 15px 22px; border-radius: 10px; text-decoration: none; border: 2px solid transparent; cursor: pointer; text-align: center; }
.btn--go { background: var(--pencil); color: var(--ink); box-shadow: 0 2px 0 var(--pencil-2); }
.btn--go:hover { background: #FFD24D; }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: #222B3D; }
.btn--line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--line:hover { background: rgba(18, 24, 38, .05); }
.btn--small { padding: 10px 14px; font-size: .9rem; border-radius: 8px; }
.btn--danger { background: #fff; color: var(--cross); border-color: var(--cross); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--form-2); text-decoration: underline; cursor: pointer; }

/* ---------- type helpers ---------- */
.eyebrow { font: 750 .76rem/1.3 var(--sans); letter-spacing: .15em; text-transform: uppercase; color: var(--form-2); margin: 0 0 12px; }
.eyebrow--light { color: #A9BDE6; }
.h1 { font: 820 clamp(2.4rem, 5.3vw, 4.35rem)/1.03 var(--sans); letter-spacing: -.032em; margin: 0 0 .38em; }
.h1 em, .h2 em { font-style: normal; background: linear-gradient(transparent 60%, var(--pencil) 60%, var(--pencil) 90%, transparent 90%); padding: 0 .04em; }
.h2 { font: 800 clamp(1.75rem, 3.3vw, 2.55rem)/1.1 var(--sans); letter-spacing: -.022em; margin: 0 0 .45em; }
.h3 { font: 750 1.2rem/1.25 var(--sans); margin: 0 0 .4em; }
.lede { font-size: 1.2rem; line-height: 1.55; color: var(--ink-2); max-width: 36em; }
.small { font: 500 .86rem/1.5 var(--sans); color: var(--ink-3); }
.free { color: var(--tick); font-weight: 800; }
.kicker { display: flex; align-items: center; gap: 14px; font: 800 .74rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 22px; }
.kicker::before, .kicker::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
.kicker--left::before { display: none; }

/* ---------- hero: the desk ---------- */
.hero { padding: 54px 0 76px; background: radial-gradient(1100px 520px at 12% -12%, #F7F9FC 0, rgba(247, 249, 252, 0) 62%), var(--desk); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: 44px; align-items: center; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero__note { font: 500 .86rem/1.5 var(--sans); color: var(--ink-3); margin-top: 10px; }
.hero__price { font: 600 .95rem/1.5 var(--sans); color: var(--ink-2); margin: 22px 0 0; padding-left: 12px; border-left: 3px solid var(--pencil); }
.scene { position: relative; padding: 34px 0 70px; }
.omr { position: absolute; right: -6%; top: 0; width: 64%; transform: rotate(6deg); background: #fff; border-radius: 4px; box-shadow: var(--shadow); padding: 18px 18px 22px; }
.omr__head { font: 800 .62rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--form); border-bottom: 1.5px solid var(--form-line); padding-bottom: 9px; margin-bottom: 10px; }
.omr__row { display: grid; grid-template-columns: 22px repeat(4, 1fr); gap: 6px; align-items: center; padding: 4px 0; font: 700 .64rem/1 var(--sans); color: var(--form); }
.omr__row i { display: block; width: 17px; height: 17px; border: 1.5px solid var(--form); border-radius: 50%; font-style: normal; font-size: .52rem; line-height: 14px; text-align: center; }
.omr__row i.f { background: var(--graphite); border-color: var(--graphite); color: var(--graphite); }
.booklet { position: relative; z-index: 2; width: min(100%, 440px); margin-left: 4%; transform: rotate(-2.4deg); background: var(--sheet); box-shadow: var(--shadow-lg); border-radius: 3px; overflow: hidden; }
.booklet__band { background: var(--ink); color: #fff; display: flex; justify-content: flex-start; gap: 18px; align-items: center; padding: 14px 22px; font: 800 .84rem/1 var(--sans); letter-spacing: .2em; }
.booklet__band span:last-child { color: var(--pencil); letter-spacing: .12em; font-size: .7rem; }
.booklet__body { padding: 22px 24px 24px; }
.booklet__kind { font: 750 .7rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--form-2); margin: 0 0 8px; }
.booklet__title { font: 700 1.55rem/1.2 var(--serif); margin: 0 0 16px; letter-spacing: -.005em; }
.booklet__facts { display: grid; grid-template-columns: 1fr 1fr 1fr; border: 1.5px solid var(--ink); margin: 0 0 16px; }
.booklet__facts div { padding: 9px 10px; border-left: 1.5px solid var(--ink); }
.booklet__facts div:first-child { border-left: 0; }
.booklet__facts dt { font: 750 .58rem/1.2 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.booklet__facts dd { margin: 3px 0 0; font: 800 1.05rem/1.1 var(--sans); }
.booklet__cand { display: flex; gap: 10px; align-items: flex-end; font: 650 .74rem/1 var(--sans); text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); margin: 0 0 16px; }
.booklet__cand span:last-child { flex: 1; border-bottom: 1.5px dotted var(--ink-3); height: 1em; }
.booklet__rules { margin: 0 0 14px; padding-left: 1.2em; font-size: .9rem; line-height: 1.5; color: var(--ink-2); }
.booklet__rules li { margin-bottom: 4px; }
.booklet__foot { display: flex; justify-content: space-between; gap: 10px; border-top: 1.5px solid var(--ink); padding-top: 10px; font: 750 .6rem/1.3 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.pencil { position: absolute; z-index: 3; width: 330px; right: -2%; bottom: 8px; transform: rotate(-22deg); filter: drop-shadow(0 8px 10px rgba(18, 24, 38, .22)); }
.clock { position: absolute; z-index: 3; width: 128px; right: 2%; top: -6px; filter: drop-shadow(0 8px 14px rgba(18, 24, 38, .2)); }
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .scene { padding: 26px 0 60px; max-width: 520px; margin: 0 auto; width: 100%; }
  .omr { display: none; }
  .booklet { margin: 0 auto; transform: rotate(-1.6deg); }
  .pencil { width: 230px; right: -4%; bottom: 12px; }
  .clock { width: 92px; right: -2%; top: -4px; }
}
@media (max-width: 480px) { .booklet__facts dd { font-size: .95rem; } .booklet__title { font-size: 1.3rem; } .pencil { width: 190px; } }

/* ---------- bands ---------- */
.band { padding: 76px 0; }
.band--sheet { background: var(--sheet); }
.band--ink { background: var(--ink); color: #E8EDF4; }
.band--ink .h2 { color: #fff; }
.band--tight { padding: 48px 0; }
.band__head { max-width: 760px; margin-bottom: 34px; }
@media (max-width: 600px) { .band { padding: 52px 0; } }

/* instructions to candidates */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; margin: 0; padding: 0; list-style: none; }
.step__n { width: 58px; height: 58px; border: 2.5px solid var(--form); border-radius: 50%; display: grid; place-items: center; font: 800 1.45rem/1 var(--sans); color: var(--form); margin-bottom: 16px; background: #fff; }
.step p { color: var(--ink-2); }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; gap: 22px; } .step { display: grid; grid-template-columns: 58px 1fr; gap: 16px; } .step__n { margin: 0; } }

/* ---------- booklet page (a question) ---------- */
.page { background: var(--sheet); border-radius: 6px; box-shadow: var(--shadow); position: relative; padding: 26px 28px 26px 84px; }
.page::before { content: ""; position: absolute; left: 62px; top: 0; bottom: 0; width: 1.5px; background: #EBB9B9; }
.page__no { position: absolute; left: 18px; top: 24px; font: 800 1.35rem/1 var(--sans); width: 32px; text-align: center; }
.page__meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font: 700 .72rem/1.3 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 10px; }
.page__q { font-size: 1.16rem; line-height: 1.55; margin: 0 0 14px; }
@media (max-width: 600px) { .page { padding: 20px 16px 20px 54px; } .page::before { left: 40px; } .page__no { left: 6px; top: 20px; font-size: 1.1rem; } .page__q { font-size: 1.06rem; } }

.code { margin: 0 0 16px; border-radius: 8px; overflow: hidden; border: 1px solid #263048; background: #161D2C; }
.code figcaption { font: 700 .66rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #9FB3D9; padding: 9px 14px; border-bottom: 1px solid #263048; }
.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
.code pre code { background: none; border: 0; padding: 0; color: #E6ECF7; font-size: .86rem; line-height: 1.6; white-space: pre; overflow-wrap: normal; }

/* options: answer-sheet bubbles */
.opts { display: grid; gap: 10px; margin: 0; padding: 0; border: 0; }
.opt { position: relative; display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 12px; align-items: center; padding: 11px 14px 11px 12px; border: 1.5px solid var(--rule); border-radius: 12px; background: #fff; cursor: pointer; transition: border-color .12s, background-color .12s; }
.opt:hover { border-color: var(--form); }
.opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.bubble { width: 34px; height: 34px; border: 2px solid var(--form); border-radius: 50%; display: grid; place-items: center; font: 750 .92rem/1 var(--sans); color: var(--form); background: #fff; transition: background-color .12s; }
.opt input:checked + .bubble { background: var(--graphite); border-color: var(--graphite); color: #fff; }
.opt:has(input:checked) { border-color: var(--graphite); background: #F3F4F6; }
.opt input:focus-visible + .bubble { outline: 3px solid var(--pencil); outline-offset: 2px; }
.opt__text { font-size: 1rem; line-height: 1.45; }
.opt--locked { cursor: default; }

/* mark scheme */
.scheme { list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 9px; }
.scheme li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 12px; padding: 12px 14px 12px 12px; border-radius: 12px; border: 1.5px solid var(--rule-2); background: #fff; }
.scheme .bubble { width: 32px; height: 32px; }
.scheme li.is-right { border-color: var(--tick); background: var(--tick-bg); }
.scheme li.is-right .bubble { background: var(--tick); border-color: var(--tick); color: #fff; }
.scheme li.is-wrong { border-color: var(--cross); background: var(--cross-bg); }
.scheme li.is-wrong .bubble { background: var(--graphite); border-color: var(--graphite); color: #fff; }
.scheme__opt { font-size: 1rem; line-height: 1.45; margin: 0; }
.scheme__why { font-size: .93rem; line-height: 1.5; color: var(--ink-2); margin: 5px 0 0; }
.tag { display: inline-block; font: 750 .62rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; padding: 4px 7px; border-radius: 4px; margin-right: 6px; vertical-align: 2px; }
.tag--right { background: var(--tick); color: #fff; }
.tag--yours { background: var(--graphite); color: #fff; }
.takeaway { margin: 16px 0 6px; font-size: 1rem; }
.takeaway b { font: 800 .72rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-right: 8px; }
.takeaway span { background: linear-gradient(transparent 52%, var(--hi) 52%); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.source { font: 500 .86rem/1.45 var(--sans); color: var(--ink-3); margin: 6px 0 0; overflow-wrap: anywhere; }
.verdict { display: flex; align-items: center; gap: 12px; font: 800 1.15rem/1.2 var(--sans); margin: 0 0 14px; }
.verdict svg { width: 34px; height: 34px; flex: none; }
.verdict--right { color: var(--tick); }
.verdict--wrong { color: var(--cross); }
.verdict--blank { color: var(--ink-3); }

/* ---------- syllabus contents ---------- */
.contents { list-style: none; padding: 0; margin: 0; border-top: 1.5px solid var(--ink); }
.contents li { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 18px; align-items: start; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.letter { width: 42px; height: 42px; display: grid; place-items: center; background: var(--ink); color: #fff; font: 800 1.12rem/1 var(--sans); border-radius: 8px; }
.contents h3 { font: 750 1.15rem/1.25 var(--sans); margin: 0 0 4px; }
.contents p { margin: 0; color: var(--ink-2); font-size: .98rem; }
.contents .topics { font: 500 .85rem/1.5 var(--sans); color: var(--ink-3); margin-top: 6px; }
.count { font: 750 .85rem/1.2 var(--sans); color: var(--form-2); white-space: nowrap; padding-top: 4px; }
@media (max-width: 600px) { .contents li { grid-template-columns: 44px minmax(0, 1fr); } .count { grid-column: 2; padding-top: 0; } .letter { width: 38px; height: 38px; } }

/* ---------- prices ---------- */
.prices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.fee { background: #fff; border-radius: 14px; padding: 26px 24px 24px; border: 1.5px solid var(--rule); position: relative; display: flex; flex-direction: column; }
.fee--pass { border: 2px solid var(--ink); box-shadow: var(--shadow-lg); }
.fee__name { font: 800 .8rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; }
.fee__price { font: 820 2.5rem/1 var(--sans); letter-spacing: -.03em; margin: 0; }
.fee__per { font: 600 .95rem/1.4 var(--sans); color: var(--ink-3); margin: 6px 0 16px; }
.fee ul { margin: 0 0 18px; padding: 0; list-style: none; }
.fee li { position: relative; padding: 0 0 8px 26px; font-size: .98rem; line-height: 1.45; }
.fee li::before { content: ""; position: absolute; left: 2px; top: .38em; width: 12px; height: 12px; border: 2px solid var(--form); border-radius: 50%; }
.fee--pass li::before { background: var(--graphite); border-color: var(--graphite); }
.fee__foot { margin-top: auto; }
.stamp { display: inline-block; transform: rotate(-3deg); border: 2.5px solid var(--tick); color: var(--tick); font: 850 .74rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; padding: 7px 11px; border-radius: 6px; background: rgba(228, 244, 234, .6); }
.fee .stamp { position: absolute; top: -15px; right: 14px; background: #EEF8F1; }
@media (max-width: 900px) { .prices { grid-template-columns: 1fr; } }
.priceline { font: 600 .95rem/1.5 var(--sans); color: var(--ink-2); background: var(--pencil-bg); border: 1.5px solid #F2DB8C; border-radius: 10px; padding: 12px 16px; margin: 0 0 18px; }

/* ---------- honesty ---------- */
.rubric { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.rubric__col { background: #fff; border-radius: 14px; padding: 24px; box-shadow: var(--shadow); }
.rubric__col h3 { display: flex; align-items: center; gap: 10px; }
.rubric__col h3 svg { width: 26px; height: 26px; }
.rubric__col ul { margin: 0; padding-left: 1.15em; }
.rubric__col li { margin-bottom: 8px; }
@media (max-width: 820px) { .rubric { grid-template-columns: 1fr; } }
.notice { border-left: 4px solid var(--form); background: var(--form-bg); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 0 0 20px; }
.notice--warn { border-color: var(--pencil-2); background: var(--pencil-bg); }
.notice--ok { border-color: var(--tick); background: var(--tick-bg); }
.notice p:last-child { margin-bottom: 0; }

/* ---------- papers chooser ---------- */
.papers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.paper { background: #fff; border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; }
.paper__band { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 13px 22px; background: var(--ink); color: #fff; font: 800 .76rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.paper__band b { color: var(--pencil); }
.paper__body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.paper__facts { display: flex; gap: 10px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.paper__facts li { font: 700 .82rem/1 var(--sans); border: 1.5px solid var(--form-line); color: var(--form-2); border-radius: 999px; padding: 7px 11px; }
.paper__body form { margin-top: auto; }
@media (max-width: 820px) { .papers { grid-template-columns: 1fr; } }
.drills { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.drill { background: #fff; border-radius: 12px; padding: 16px; border: 1.5px solid var(--rule); display: flex; flex-direction: column; gap: 10px; }
.drill h3 { display: flex; gap: 10px; align-items: center; font: 750 1rem/1.25 var(--sans); margin: 0; }
.drill .letter { width: 32px; height: 32px; font-size: .95rem; flex: none; }
.drill form { margin-top: auto; }
.drill .btn { width: 100%; }
@media (max-width: 980px) { .drills { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .drills { grid-template-columns: 1fr; } }

/* ---------- exam room ---------- */
.room__bar { position: sticky; top: 0; z-index: 8; background: var(--ink); color: #fff; box-shadow: 0 6px 16px rgba(0, 0, 0, .18); }
.room__in { display: flex; align-items: center; gap: 14px 22px; min-height: 62px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.room__title { font: 800 1rem/1.2 var(--sans); }
.room__title span { display: block; font: 600 .72rem/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #A9BDE6; }
.room__clock { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.timer { font: 650 1.6rem/1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: .02em; min-width: 5ch; text-align: right; }
.timer.is-low { color: var(--pencil); }
.timer.is-hidden { visibility: hidden; }
.room__btn { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .4); border-radius: 8px; padding: 8px 11px; font: 650 .82rem/1 var(--sans); cursor: pointer; }
.room__btn:hover { border-color: #fff; }
.room__due { font: 500 .8rem/1.3 var(--sans); color: #C4CFE0; }
.room__grid { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 30px; padding: 30px 0 90px; align-items: start; }
.room__grid > form { min-width: 0; }
.q { border: 0; margin: 0 0 22px; padding: 24px 26px 22px; background: var(--sheet); border-radius: 10px; box-shadow: var(--shadow); position: relative; scroll-margin-top: 96px; min-width: 0; }
.q.is-flagged { box-shadow: inset 7px 0 0 var(--hi), var(--shadow); }
.q__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0 0 12px; padding: 0; width: 100%; font: 750 .74rem/1.3 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.q__head strong { color: var(--ink); font-size: .95rem; letter-spacing: .06em; white-space: nowrap; flex: none; }
@media (max-width: 520px) { .q__head { flex-wrap: wrap; justify-content: flex-start; gap: 2px 12px; } .q__head span { flex: 1 1 100%; letter-spacing: .08em; } }   /* UX-1: no 'QUESTION / 1' wrap on phones */
.q__text { font-size: 1.12rem; line-height: 1.55; margin: 0 0 14px; }
.flag { display: inline-flex; align-items: center; gap: 7px; background: #fff; border: 1.5px solid var(--rule); border-radius: 8px; padding: 7px 11px; font: 650 .8rem/1 var(--sans); color: var(--ink-2); cursor: pointer; margin-top: 14px; }
.flag svg { width: 14px; height: 14px; }
.flag[aria-pressed="true"] { background: var(--hi); border-color: var(--pencil-2); color: var(--ink); }
.answersheet { position: sticky; top: 92px; background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 18px 18px 20px; }
.answersheet h2 { font: 800 .74rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--form); margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1.5px solid var(--form-line); }
.cells { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 7px; margin: 0 0 14px; padding: 0; list-style: none; }
.cells a { position: relative; display: grid; place-items: center; aspect-ratio: 1; border: 1.5px solid var(--form); border-radius: 50%; font: 700 .76rem/1 var(--sans); color: var(--form); text-decoration: none; background: #fff; }
.cells a.is-done { background: var(--graphite); border-color: var(--graphite); color: #fff; }
.cells a.is-flagged::after { content: ""; position: absolute; top: -3px; right: -3px; width: 10px; height: 10px; border-radius: 50%; background: var(--pencil); border: 1.5px solid #fff; }
.legend { display: grid; gap: 6px; font: 500 .78rem/1.3 var(--sans); color: var(--ink-3); margin: 0 0 14px; }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 13px; height: 13px; border-radius: 50%; border: 1.5px solid var(--form); display: inline-block; }
.legend i.d { background: var(--graphite); border-color: var(--graphite); }
.legend i.f { background: var(--pencil); border-color: var(--pencil-2); }
.handin { background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 24px 26px; }
.handin .btn { width: 100%; }
.answersheet .btn { width: 100%; }
@media (max-width: 960px) {
  .room__grid { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-top: 18px; }
  .answersheet { position: static; order: -1; }
  .cells { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}
@media (max-width: 480px) { .cells { grid-template-columns: repeat(6, minmax(0, 1fr)); } .q { padding: 18px 16px; } .timer { font-size: 1.35rem; } .room__due { display: none; } }
dialog.review { border: 0; border-radius: 14px; padding: 26px; max-width: 460px; width: calc(100% - 32px); box-shadow: var(--shadow-lg); }
dialog.review::backdrop { background: rgba(12, 17, 28, .55); }
dialog.review .btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

/* drill progress */
.progress { display: flex; gap: 5px; flex-wrap: wrap; margin: 0 0 18px; padding: 0; list-style: none; }
.progress li { width: 26px; height: 8px; border-radius: 4px; background: var(--desk-3); }
.progress li.is-right { background: var(--tick); }
.progress li.is-wrong { background: var(--cross); }
.progress li.is-now { outline: 2px solid var(--ink); outline-offset: 1px; }

/* ---------- marked script ---------- */
.script__top { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 34px; align-items: center; }
.score { position: relative; width: 168px; height: 168px; display: grid; place-items: center; text-align: center; }
.score svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.score__num { position: relative; font: 820 2.35rem/1 var(--sans); letter-spacing: -.03em; color: var(--cross); white-space: nowrap; }
.score__of { display: block; font: 700 .82rem/1.2 var(--sans); color: var(--ink-3); letter-spacing: .04em; margin-top: 4px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; padding: 0; list-style: none; }
.facts li { font: 650 .8rem/1 var(--sans); background: #fff; border: 1.5px solid var(--rule); border-radius: 999px; padding: 8px 12px; }
.facts li.warn { border-color: var(--pencil-2); background: var(--pencil-bg); }
@media (max-width: 680px) { .script__top { grid-template-columns: 1fr; gap: 18px; } .score { width: 150px; height: 150px; } .score__num { font-size: 1.85rem; } }   /* UX-1: 32/32 stays inside the ring */
.map { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.map li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 14px; align-items: center; }
.map li .bar { grid-column: 1 / -1; grid-row: 2; }
.map li > span:last-child { white-space: nowrap; }
.map + .small { margin-top: 14px; }
.map__name { font: 650 .95rem/1.3 var(--sans); display: flex; gap: 10px; align-items: center; }
.map__name .letter { width: 28px; height: 28px; font-size: .85rem; border-radius: 6px; flex: none; }
.bar { width: 100%; height: 14px; border-radius: 7px; overflow: hidden; }
.bar .bg { fill: var(--desk-2); }
.bar .fill { fill: var(--form); }
.bar .cut { stroke: #fff; stroke-width: .8; }
.band-label { justify-self: start; font: 750 .72rem/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; padding: 6px 9px; border-radius: 6px; white-space: nowrap; }
.band-label--solid { background: var(--tick-bg); color: var(--tick); }
.band-label--nearly { background: var(--pencil-bg); color: #6E5300; }
.band-label--review { background: var(--cross-bg); color: var(--cross); }
.band-label--none { background: var(--sheet-2); color: var(--ink-3); }
.map__nums { font: 600 .8rem/1 var(--sans); color: var(--ink-3); }
.marked { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 4px; background: var(--sheet); border-radius: 10px; box-shadow: var(--shadow); margin: 0 0 18px; padding: 22px 24px 22px 10px; break-inside: avoid; }
.marked__mark { display: grid; justify-items: center; align-content: start; gap: 6px; font: 800 1rem/1 var(--sans); }
.marked__mark svg { width: 34px; height: 34px; }
.marked h3 { font: 750 .74rem/1.3 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 8px; }
@media (max-width: 600px) { .marked { grid-template-columns: 38px minmax(0, 1fr); padding: 18px 14px 18px 6px; } .marked__mark svg { width: 26px; height: 26px; } }

/* ---------- record ---------- */
.linkbox { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; background: #fff; border: 2px dashed var(--form-line); border-radius: 12px; padding: 14px; margin: 0 0 12px; }
.linkbox code { flex: 1 1 260px; font-size: .95rem; padding: 10px 12px; background: var(--form-bg); border: 0; display: block; }
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); font: 500 .92rem/1.4 var(--sans); }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--rule-2); vertical-align: top; }
.table th { font: 750 .7rem/1.2 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); background: var(--sheet-2); }
.table-wrap { overflow-x: auto; }
.table-wrap:focus-visible { outline: 3px solid var(--pencil); outline-offset: 2px; }
@media (max-width: 640px) { .table thead { display: none; } .table tr { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--rule); } .table td { border: 0; padding: 8px 14px; } .table td[data-l]::before { content: attr(data-l); display: block; font: 750 .64rem/1.2 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); } }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
.split + .card { margin-top: 24px; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }
.card { background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 24px; }
.card > :last-child { margin-bottom: 0; }
.field { display: grid; gap: 6px; margin: 0 0 12px; }
.field label { font: 700 .86rem/1.2 var(--sans); }
.field input[type="text"] { font: 500 1rem/1.3 var(--mono); padding: 12px 13px; border: 1.5px solid var(--rule); border-radius: 9px; width: 100%; background: #fff; color: var(--ink); }
.field input[type="text"]:focus { border-color: var(--form); outline: none; box-shadow: 0 0 0 3px var(--form-bg); }
.tick { display: flex; gap: 10px; align-items: flex-start; font: 500 .95rem/1.4 var(--sans); margin: 0 0 12px; }
.tick input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--cross); flex: none; }

/* ---------- prose pages ---------- */
.prose { background: var(--sheet); border-radius: 14px; box-shadow: var(--shadow); padding: 40px 44px; }
.prose h2 { font: 800 1.45rem/1.25 var(--sans); margin: 1.6em 0 .5em; letter-spacing: -.01em; }
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose li { margin-bottom: .45em; }
@media (max-width: 600px) { .prose { padding: 26px 18px; } }
.pagehead { padding: 48px 0 30px; }
.pagehead .lede { margin-bottom: 0; }
.faq dt { font: 750 1.05rem/1.35 var(--sans); margin-top: 1.2em; }
.faq dd { margin: .35em 0 0; color: var(--ink-2); }

/* ---------- footer ---------- */
.foot { background: #0C111C; color: #B9C4D4; padding: 52px 0 30px; font: 400 .93rem/1.6 var(--sans); }
.foot a { color: #fff; }
.foot__grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 36px; }
.foot__honest { font: 400 1rem/1.62 var(--serif); color: #E3E9F2; margin: 0 0 12px; }
.foot__indep { font-size: .86rem; color: #9DAAC0; margin: 0; }
.foot__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; align-content: start; margin: 0; padding: 0; list-style: none; }
.foot__nav a { text-decoration: none; font-weight: 600; }
.foot__nav a:hover { text-decoration: underline; }
.foot__base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 20px; border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 34px; padding-top: 18px; font-size: .84rem; }
@media (max-width: 820px) { .foot__grid { grid-template-columns: 1fr; } }

/* ---------- print: the marked script ---------- */
@media print {
  .mast, .strip, .foot__nav, .no-print, .room__bar, .answersheet, .skip, form, .cta { display: none !important; }
  body { background: #fff; font-size: 11pt; }
  .band, .pagehead { padding: 12pt 0; }
  .marked, .card, .prose, .q, .page { box-shadow: none; border: 1px solid #ccc; }
  .foot { background: #fff; color: #333; padding: 12pt 0; }
  .foot__honest { color: #333; }
  .foot a { color: #333; }
  a { color: #000; }
}

/* AdEngine banner (v1.1.0): one slot between </main> and the footer on public content pages. The label and reserved
   height sit on the <ins>, and so do the margins, so a slot tag.js hides leaves no gap. Never style display here
   with !important: tag.js hides an unfilled slot with style.display. */
.ae-slot { margin: 0; padding: 0 24px; }
.ae-slot ins.adengine { display: block; max-width: 728px; min-height: 110px; margin: 40px auto 48px; text-align: center; text-decoration: none; }
.ae-slot ins.adengine::before { content: "Advertisement"; display: block; margin-bottom: 4px; font: 650 11px/16px var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.ae-slot ins.adengine a { display: inline-block; vertical-align: top; }
.ae-slot:has(> ins.adengine[style*="none"]) { display: none; }
@media (max-width: 767px) { .ae-slot { padding: 0 16px; } .ae-slot ins.adengine { max-width: 300px; min-height: 270px; margin: 32px auto 40px; } }
@media print { .ae-slot { display: none; } }