/* ЖРТ Математика — "бланк" стили: кагаз, карандаш жана бланктын кызыл сызыктары */
:root {
  --paper: #f4f1e8;
  --sheet: #fffdf8;
  --ink: #1d1c1a;
  --muted: #6d685d;
  --rule: #ddd6c6;
  --form: #c0392b;        /* бланктын басма түсү */
  --form-soft: #f7e4e1;
  --form-line: #e8b6b0;
  --pencil: #262626;      /* толтурулган тегерек */
  --ok: #2e7d4f;
  --ok-soft: #e1f1e6;
  --bad: #b3261e;
  --bad-soft: #f9e0de;
  --warn: #9a6700;
  --radius: 10px;
  --shadow: 0 1px 0 rgba(0,0,0,.04), 0 6px 18px rgba(60,40,10,.07);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
  --serif: "Times New Roman", Times, "Noto Serif", serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 var(--sans); }
a { color: inherit; }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(28px, 5vw, 46px); letter-spacing: -.02em; }
h2 { font-size: clamp(22px, 3.4vw, 30px); letter-spacing: -.01em; }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.hidden { display: none !important; }
.center { text-align: center; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* ---------- Шапка ---------- */
.top { position: sticky; top: 0; z-index: 30; background: rgba(244,241,232,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.top .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; letter-spacing: -.01em; white-space: nowrap; }
.logo-mark { width: 30px; height: 30px; border: 2px solid var(--form); border-radius: 50%; display: grid; place-items: center; position: relative; }
.logo-mark::after { content: ""; width: 16px; height: 16px; border-radius: 50%; background: var(--pencil); }
.nav { display: flex; gap: 6px; margin-left: auto; align-items: center; }
.nav a { text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: 15px; }
.nav a:hover, .nav a.on { background: rgba(0,0,0,.06); }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--rule); border-radius: 8px; padding: 6px 10px; }
@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--sheet); border-bottom: 1px solid var(--rule); padding: 8px 12px 14px; gap: 2px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
}

/* ---------- Баскычтар, формалар ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1.5px solid var(--ink); background: var(--ink); color: var(--sheet);
  padding: 11px 20px; border-radius: 999px; font-weight: 600; text-decoration: none; cursor: pointer; transition: transform .08s, opacity .15s; min-height: 46px; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.red { background: var(--form); border-color: var(--form); }
.btn.sm { padding: 6px 14px; min-height: 36px; font-size: 14px; }
.btn.block { width: 100%; }
.btn.tg { background: #229ed9; border-color: #229ed9; }
.field { display: block; margin-bottom: 14px; }
.field span { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.input, textarea.input, select.input { width: 100%; border: 1.5px solid var(--rule); background: var(--sheet); border-radius: 10px; padding: 12px 14px; outline: none; }
.input:focus { border-color: var(--ink); }
textarea.input { min-height: 90px; font-family: var(--mono); font-size: 13px; line-height: 1.5; }
.error { color: var(--bad); font-size: 14px; min-height: 1.2em; }

/* ---------- Карточкалар ---------- */
.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } .card { padding: 18px; } }
.tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--form); border: 1px solid var(--form-line); background: var(--form-soft); padding: 3px 8px; border-radius: 6px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; padding: 4px 10px; border-radius: 999px; background: rgba(0,0,0,.06); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.warn { background: #fdf0d5; color: var(--warn); }

/* ---------- Башкы бет ---------- */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 19px; color: #3d3a34; max-width: 560px; }
.hero .row { margin-top: 26px; }
@media (max-width: 860px) { .hero { padding: 36px 0 20px; } .hero .wrap { grid-template-columns: 1fr; gap: 30px; } }
.mini-sheet { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; box-shadow: var(--shadow); padding: 18px 20px 20px; transform: rotate(1.2deg); position: relative; }
.mini-sheet::before { content: ""; position: absolute; inset: 8px; border: 1px solid var(--form-line); border-radius: 3px; pointer-events: none; }
.mini-sheet .sh-head { display: flex; justify-content: space-between; font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--form); text-transform: uppercase; border-bottom: 1.5px solid var(--form); padding-bottom: 8px; margin-bottom: 10px; }
.section { padding: 56px 0; }
.section.alt { background: var(--sheet); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.steps { counter-reset: s; }
.step { position: relative; padding-top: 52px; }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: 0; left: 0; width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--form); color: var(--form); display: grid; place-items: center; font-weight: 700; }
.feature h3 { margin-top: 2px; }
table.info { width: 100%; border-collapse: collapse; font-size: 15px; }
table.info th, table.info td { padding: 12px 10px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
table.info th { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
table.info tr.hl td { background: var(--form-soft); }
table.info td.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.formula { background: var(--sheet); border: 1px dashed var(--form-line); border-radius: 8px; padding: 14px 16px; }
.big-num { font-size: 40px; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
details.faq { border-bottom: 1px solid var(--rule); padding: 14px 0; }
details.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 10px; }
details.faq summary::after { content: "+"; color: var(--form); font-size: 22px; line-height: 1; }
details.faq[open] summary::after { content: "−"; }
details.faq p { margin: 10px 0 0; color: #3d3a34; }
footer { padding: 34px 0 50px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--rule); }

/* ---------- Тегеректер (бланк) ---------- */
.bub { --s: 30px; width: var(--s); height: var(--s); border-radius: 50%; border: 1.6px solid var(--form); color: var(--form); background: transparent;
  display: inline-grid; place-items: center; font-size: 13px; font-weight: 700; padding: 0; cursor: pointer; flex: none; line-height: 1; transition: background .1s; }
.bub:hover { background: var(--form-soft); }
.bub.on { background: var(--pencil); border-color: var(--pencil); color: #fff; }
.bub.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.bub.bad { background: var(--bad); border-color: var(--bad); color: #fff; }
.bub.ring { box-shadow: 0 0 0 3px var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.bub.static { cursor: default; }

/* ---------- Варианттар ---------- */
.variant { display: flex; flex-direction: column; gap: 14px; }
.variant .meta { display: flex; gap: 10px; flex-wrap: wrap; }
.variant .price { font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.pay-box { border: 1.5px dashed var(--form-line); background: var(--form-soft); border-radius: 10px; padding: 14px; font-size: 15px; }
.pay-box ol { margin: 6px 0 10px; padding-left: 20px; }

/* ---------- Модалдык терезе ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(20,16,8,.45); z-index: 100; display: grid; place-items: center; padding: 16px; }
.modal { background: var(--sheet); border-radius: 14px; max-width: 460px; width: 100%; padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,.25); max-height: 90vh; overflow: auto; }
.modal h3 { font-size: 20px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--sheet); padding: 12px 18px; border-radius: 10px; z-index: 200; font-size: 15px; max-width: calc(100% - 32px); box-shadow: 0 8px 30px rgba(0,0,0,.25); }

/* ---------- Математика ---------- */
.mathy, .q-text, .opt-text, .col-box, .cond, .expl { font-family: var(--sans); }
var { font-family: var(--serif); font-style: italic; font-size: 1.12em; padding: 0 .04em; }
.fr { display: inline-flex; flex-direction: column; vertical-align: middle; text-align: center; margin: 0 .15em; font-size: .92em; line-height: 1.15; }
.fr > span:first-child { border-bottom: 1.3px solid currentColor; padding: 0 .2em .05em; }
.fr > span:last-child { padding: .05em .2em 0; }
.rt { display: inline-flex; align-items: flex-start; white-space: nowrap; }
.rt::before { content: "√"; font-family: var(--serif); font-size: 1.12em; line-height: 1.05; margin-right: -1px; }
.rt > span { border-top: 1.3px solid currentColor; padding: .08em .12em 0; line-height: 1.25; }
sup, sub { font-size: .72em; line-height: 0; }
svg.fig { display: block; margin: 14px auto 4px; height: auto; color: var(--ink); max-width: 230px; width: 100%; }

/* ---------- Тест экраны ---------- */
body.exam { background: #ebe7dc; }
.exam-top { position: sticky; top: 0; z-index: 40; background: var(--sheet); border-bottom: 1.5px solid var(--form); }
.exam-top .wrap { display: flex; align-items: center; gap: 14px; height: 58px; max-width: 1280px; }
.exam-top .ttl { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.exam-top .ttl small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; }
.timer { font-family: var(--mono); font-size: 22px; font-weight: 700; padding: 4px 12px; border-radius: 8px; border: 1.5px solid var(--rule); font-variant-numeric: tabular-nums; margin-left: auto; }
.timer.low { color: var(--bad); border-color: var(--bad); background: var(--bad-soft); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .65; } }
.exam-main { max-width: 1280px; margin: 0 auto; padding: 20px; display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 20px; align-items: start; }
.booklet { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; box-shadow: var(--shadow); min-height: 60vh; position: relative; overflow: hidden; }
.booklet-head { display: flex; align-items: center; gap: 12px; padding: 14px 22px; border-bottom: 1px solid var(--rule); }
.qnum { font-size: 15px; font-weight: 800; color: var(--form); letter-spacing: .02em; }
.qbody { padding: 26px 30px 30px; font-size: 18px; position: relative; z-index: 1; min-height: 300px; }
.flag-btn { margin-left: auto; background: none; border: 1.5px solid var(--rule); border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.flag-btn.on { border-color: var(--warn); background: #fdf0d5; color: var(--warn); }
.cond { text-align: center; margin: 0 auto 16px; padding: 10px 14px; max-width: 560px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 4px 0 24px; }
.col-h { text-align: center; font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--muted); margin-bottom: 6px; }
.col-box { border: 1.5px solid var(--ink); min-height: 74px; display: grid; place-items: center; text-align: center; padding: 14px; font-size: 19px; border-radius: 2px; }
.opts { display: grid; gap: 10px; margin-top: 18px; }
.opt { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; background: transparent; border: 1.5px solid var(--rule); border-radius: 10px; padding: 10px 14px; cursor: pointer; min-height: 52px; }
.opt:hover { border-color: #b9b09c; }
.opt.on { border-color: var(--pencil); background: #f3f1ea; }
.opt.on .bub { background: var(--pencil); border-color: var(--pencil); color: #fff; }
.opt.correct { border-color: var(--ok); background: var(--ok-soft); }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt .bub { pointer-events: none; }
.opt-text { font-size: 17px; }
.opts.compare { grid-template-columns: repeat(2, 1fr); }
.qnav { display: flex; gap: 10px; padding: 0 30px 26px; position: relative; z-index: 1; }
.watermark { position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .9; }
.loading { color: var(--muted); padding: 40px 0; text-align: center; }

/* Жооп баракчасы */
.sheet { background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; box-shadow: var(--shadow); padding: 14px 14px 16px; position: sticky; top: 78px; }
.sheet-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--form); text-transform: uppercase; border-bottom: 1.5px solid var(--form); padding-bottom: 8px; margin-bottom: 8px; }
.sheet-cols { display: grid; grid-template-columns: 1fr 1fr; column-gap: 12px; }
.srow { display: flex; align-items: center; gap: 4px; padding: 3px 4px; border-radius: 6px; cursor: pointer; }
.srow .n { width: 22px; font-size: 12px; font-weight: 700; color: var(--form); text-align: right; margin-right: 3px; font-variant-numeric: tabular-nums; }
.srow .bub { --s: 21px; font-size: 10px; border-width: 1.3px; }
.srow.cur { background: var(--form-soft); }
.srow.flag .n { color: var(--warn); text-decoration: underline wavy; }
.sheet-foot { display: flex; justify-content: space-between; gap: 8px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 8px; }

.mob-bar { display: none; }
.sheet-close { display: none; }
@media (max-width: 960px) {
  .exam-main { grid-template-columns: 1fr; padding: 12px 10px 96px; }
  .sheet { display: none; position: fixed; inset: auto 0 0 0; top: auto; z-index: 60; max-height: 82vh; overflow: auto; border-radius: 16px 16px 0 0; padding: 16px 14px 24px; box-shadow: 0 -10px 40px rgba(0,0,0,.25); }
  .sheet.open { display: block; }
  .sheet-close { display: block; }
  .srow .bub { --s: 26px; font-size: 11px; }
  .srow { padding: 4px; }
  .sheet-bg { position: fixed; inset: 0; background: rgba(20,16,8,.4); z-index: 55; }
  .qbody { padding: 18px 16px 20px; font-size: 17px; }
  .booklet-head { padding: 12px 16px; }
  .qnav { display: none; }
  .mob-bar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background: var(--sheet); border-top: 1.5px solid var(--form); padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); gap: 10px; }
  .mob-bar .btn { flex: 1; padding: 10px; }
  .mob-bar .btn.sheet-btn { flex: 1.4; }
  .exam-top .wrap { gap: 10px; padding: 0 12px; }
  .exam-top .finish-btn .lg-only { display: none; }
  .exam-top .finish-btn .sm-only { display: inline; }
  .exam-top .finish-btn { padding: 6px 12px; min-height: 36px; font-size: 14px; }
  .timer { font-size: 18px; padding: 3px 8px; }
}
@media (max-width: 520px) {
  .opts.compare { grid-template-columns: 1fr; }
  .cols { gap: 10px; }
  .col-box { font-size: 16px; padding: 10px 8px; min-height: 64px; }
  .exam-top .ttl { font-size: 14px; }
}

/* Нускама экраны */
.instr { max-width: 720px; margin: 30px auto; }
.instr ul { padding-left: 20px; }
.instr li { margin: 4px 0; }

/* ---------- Жыйынтык ---------- */
.score-card { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; }
.score-ring { width: 150px; height: 150px; }
@media (max-width: 600px) { .score-card { grid-template-columns: 1fr; justify-items: center; text-align: center; } }
.cells { display: grid; grid-template-columns: repeat(10, 1fr); gap: 6px; }
@media (max-width: 520px) { .cells { grid-template-columns: repeat(6, 1fr); } }
.cell { aspect-ratio: 1; border-radius: 8px; display: grid; place-items: center; font-weight: 700; font-size: 14px; cursor: pointer; border: 1.5px solid transparent; }
.cell.ok { background: var(--ok-soft); color: var(--ok); }
.cell.bad { background: var(--bad-soft); color: var(--bad); }
.cell.empty { background: rgba(0,0,0,.05); color: var(--muted); }
.cell.cur { border-color: var(--ink); }
.bar { height: 10px; background: rgba(0,0,0,.07); border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--ink); border-radius: 99px; }
.bar.weak > i { background: var(--form); }
.topic-row { display: grid; grid-template-columns: 1fr 70px; gap: 6px 12px; align-items: center; margin-bottom: 12px; font-size: 15px; }
.topic-row .bar { grid-column: 1 / -1; }
.expl { margin-top: 20px; padding: 16px 18px; background: #f6f3ea; border-left: 3px solid var(--ink); border-radius: 0 8px 8px 0; font-size: 16px; }
.expl h4 { margin: 0 0 6px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* ---------- Кабинет / админ ---------- */
table.list { width: 100%; border-collapse: collapse; font-size: 15px; }
table.list th, table.list td { padding: 10px 8px; border-bottom: 1px solid var(--rule); text-align: left; }
table.list th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--rule); margin-bottom: 20px; overflow-x: auto; }
.tabs button { background: none; border: none; padding: 12px 14px; cursor: pointer; border-bottom: 2px solid transparent; font-weight: 600; color: var(--muted); white-space: nowrap; }
.tabs button.on { color: var(--ink); border-color: var(--form); }
.qlist { display: grid; grid-template-columns: repeat(auto-fill, minmax(42px, 1fr)); gap: 6px; }
.qlist button { aspect-ratio: 1; border: 1.5px solid var(--rule); background: var(--sheet); border-radius: 8px; cursor: pointer; font-weight: 700; }
.qlist button.on { border-color: var(--ink); background: var(--ink); color: var(--sheet); }
.editor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .editor-grid { grid-template-columns: 1fr; } }
.preview { border: 1px dashed var(--rule); border-radius: 8px; padding: 16px; background: var(--sheet); font-size: 17px; }

/* ---------- Көчүрүүдөн коргоо ---------- */
.protect, .protect * { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.protect img, .protect svg { pointer-events: none; }
body.blurred .protect-blur { filter: blur(14px); }
@media print { body * { visibility: hidden !important; } body::after { content: "Басып чыгарууга тыюу салынган"; visibility: visible; } }

.finish-btn { white-space: nowrap; flex: none; }
.exam-top .ttl { min-width: 0; }
.sm-only { display: none; }
@media (min-width: 900px) { .cells { grid-template-columns: repeat(15, 1fr); } }
.mob-bar .btn { white-space: nowrap; }

/* ---------- Толук тест: текст панели, аналогиялар, коргоо ---------- */
.qgrid.with-passage { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 26px; align-items: start; }
.passage-col { position: sticky; top: 76px; }
.passage { max-height: calc(100vh - 220px); overflow: auto; border: 1px solid var(--rule); border-radius: 6px; background: #fbf9f3; padding: 14px 16px 14px 8px; font-size: 15.5px; overscroll-behavior: contain; }
.ptoggle { display: none; margin-bottom: 8px; }
.ps-title { font-weight: 800; margin: 0 0 10px 30px; font-size: 16px; }
.ps-head { font-weight: 700; margin: 14px 0 6px 30px; color: var(--form); }
.pp { position: relative; padding-left: 30px; margin: 0 0 10px; line-height: 1.7; }
.pp .pn { position: absolute; left: 0; top: .15em; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--form-line); color: var(--form); font-size: 11px; font-weight: 700; display: grid; place-items: center; line-height: 1; }
.pl { position: relative; padding-left: 34px; line-height: 1.75; }
.pl.pf { text-indent: 1.4em; }
.pl .ln { position: absolute; left: 0; width: 24px; text-align: right; font-size: 11px; color: var(--muted); text-indent: 0; font-variant-numeric: tabular-nums; }
.pair { display: block; text-align: center; font-weight: 800; letter-spacing: .06em; font-size: 22px; padding: 8px 0 2px; }
.pace { font-size: 12px; color: var(--muted); margin-top: 10px; line-height: 1.5; border-top: 1px dashed var(--rule); padding-top: 8px; }
.watermark { z-index: 3 !important; }
.shield-msg { display: none; }
body.shield .protect, body.shield .protect-blur { visibility: hidden; }
body.shield .shield-msg { display: grid; place-items: center; text-align: center; position: fixed; inset: 0; z-index: 300; background: var(--sheet); font-weight: 700; font-size: 18px; color: var(--bad); padding: 20px; }
@media (max-width: 1100px) {
  .qgrid.with-passage { grid-template-columns: 1fr; gap: 14px; }
  .passage-col { position: static; }
  .passage { max-height: 46vh; }
  .ptoggle { display: inline-flex; }
  .passage-col.collapsed .passage { display: none; }
}
@media (max-width: 520px) { .pair { font-size: 19px; } .passage { font-size: 15px; } }
.ps-details { margin-bottom: 16px; }
.ps-details summary { cursor: pointer; font-weight: 600; font-size: 15px; padding: 8px 0; }
.ps-details .passage { max-height: 50vh; margin-top: 8px; }