/* Mavzu testi (test.html, quiz-engine.js) — barcha savollar bitta sahifada */

/* mavzu sahifasi ichida — oyna ichida aylantirish yo'q, balandlik testga moslashadi */
.quiz-embedded, .quiz-embedded body { overflow: hidden; background: transparent; }
.quiz-page { max-width: 980px; }
.quiz-embedded .quiz-page { padding: 12px 12px 16px; max-width: none; min-height: 0; }
.quiz-topbar { flex-wrap: wrap; margin-bottom: 14px; }
.quiz-topbar .quiz-progress { flex: 1 1 100%; justify-content: stretch; }
#quiz-card { background: none; border: 0; box-shadow: none; padding: 0; }

/* 1-test / 2-test */
.qz-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; }
.qz-tab { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; padding: 10px 16px; text-align: left; font: inherit; color: var(--text); background: var(--surface); border: 1.5px solid #e3e6f2; border-radius: 14px; cursor: pointer; }
.qz-tab b { font-size: 1rem; }
.qz-tab small { color: var(--muted); font-size: .8rem; }
.qz-tab:hover { border-color: #c9cef5; }
.qz-tab.active { border-color: var(--primary); background: #f3f4fd; box-shadow: 0 0 0 3px rgba(79, 91, 213, .1); }
.qz-tab.active b { color: var(--primary); }
.qz-tab--off { opacity: .55; cursor: default; }

/* yuqoridagi panel: mavzu, belgilanganlar, «Testni yakunlash» */
.qz-head { position: sticky; top: 8px; z-index: 5; display: flex; align-items: center; gap: 14px; padding: 14px 18px; margin-bottom: 16px; background: var(--surface); border: 1px solid #e6e9f4; border-radius: 18px; box-shadow: 0 6px 22px rgba(31, 36, 51, .06); transition: box-shadow .15s; will-change: transform; }
.quiz-embedded .qz-head { position: relative; top: 0; }
.qz-head--float { box-shadow: 0 12px 30px rgba(31, 36, 51, .14); }
.qz-head-icon { flex: 0 0 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: #eef0fd; color: var(--primary); }
.qz-head-title { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.qz-head-title b { font-size: 1.08rem; line-height: 1.3; color: #1e2a78; }
.qz-head-title small { color: var(--muted); font-size: .84rem; margin-top: 2px; }
.qz-head-progress { flex: 0 0 200px; display: flex; flex-direction: column; gap: 6px; }
.qz-head-progress small { color: #4b5162; font-size: .82rem; }
.qz-head-progress b { color: var(--text); }
.qz-bar { display: block; height: 8px; border-radius: 999px; background: #e3e6f1; overflow: hidden; }
.qz-bar i { display: block; height: 100%; background: var(--primary); border-radius: 999px; transition: width .2s; }
.qz-finish { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; font: inherit; font-weight: 700; font-size: .92rem; color: #4a3500; background: #fcc943; border: 0; border-radius: 12px; cursor: pointer; box-shadow: 0 4px 12px rgba(240, 180, 41, .3); }
.qz-finish:hover { background: #f6bb22; }

/* savol kartasi */
.qz-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.qz-q { scroll-margin-top: var(--qz-off, 110px); padding: 18px 20px; border: 1.5px solid #e6e9f4; border-radius: 18px; background: var(--surface); box-shadow: 0 2px 10px rgba(31, 36, 51, .03); }
.qz-q--miss { border-color: #f0b429; background: #fffbf0; }
.qz-q-top { display: flex; align-items: flex-start; gap: 14px; }
.qz-num { flex: 0 0 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: #eef0fd; color: var(--primary); font-weight: 800; }
.qz-text { flex: 1 1 auto; min-width: 0; font-weight: 600; font-size: 1.04rem; line-height: 1.5; color: #1e2a78; padding-top: 4px; }
.qz-q-side { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; margin-left: auto; }
.qz-belgi { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 9px; background: #f3f5fb; color: #4b5162; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.qz-belgi i { width: 8px; height: 8px; border-radius: 50%; background: #2bb673; }
.qz-mark { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; font: inherit; font-size: .78rem; font-weight: 600; color: #4b5162; background: var(--surface); border: 1px solid #e3e6f2; border-radius: 9px; cursor: pointer; white-space: nowrap; }
.qz-mark:hover { border-color: #c9cef5; }
.qz-mark.on { color: var(--primary); border-color: #c9cef5; background: #eef0fd; }
.qz-mark.on svg { fill: currentColor; }
.qz-q-body { display: flex; gap: 18px; align-items: center; margin-top: 14px; padding-left: 48px; }
.qz-fig { flex: 0 0 240px; max-width: 100%; }
.qz-fig svg { display: block; width: 100%; height: auto; }

.qz-opts { flex: 1 1 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; min-width: 0; }
.qz-opt { position: relative; display: flex; align-items: center; gap: 12px; width: 100%; min-height: 52px; padding: 10px 40px 10px 12px; text-align: left; font: inherit; font-size: 1rem; color: var(--text); background: var(--surface); border: 1.5px solid #e3e6f2; border-radius: 14px; cursor: pointer; transition: border-color .12s, background .12s, box-shadow .12s; }
.qz-opt:hover { border-color: #b9bff0; background: #fafbff; }
.qz-letter { flex: 0 0 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #eef0f8; font-weight: 800; font-size: .85rem; color: #3d4356; }
.qz-opt-text { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.qz-tick { position: absolute; right: 12px; top: 50%; transform: translateY(-50%) scale(.6); width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--primary); color: #fff; opacity: 0; transition: opacity .12s, transform .12s; }
.qz-opt.picked { border-color: var(--primary); background: #f3f4fe; box-shadow: 0 0 0 3px rgba(79, 91, 213, .1); }
.qz-opt.picked .qz-letter { background: var(--primary); color: #fff; }
.qz-opt.picked .qz-tick { opacity: 1; transform: translateY(-50%) scale(1); }

/* formulalar (KaTeX) */
.qz-m .katex { font-size: 1.08em; }
.qz-opt .qz-m .katex { font-size: 1.05em; }
.qz-text .katex-display { margin: .3em 0; }

/* pastki qism */
.qz-foot { margin-top: 18px; }
.qz-foot--center { text-align: center; }
.qz-warn { margin-bottom: 12px; padding: 12px 14px; border-radius: 12px; background: #fff6e0; color: #6b4b00; font-size: .92rem; }
.qz-warn a { color: var(--primary); font-weight: 800; }
.qz-warn-actions { margin-top: 8px; }
.qz-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; font: inherit; font-weight: 700; font-size: .94rem; color: #fff; background: var(--primary); border: 1.5px solid var(--primary); border-radius: 12px; cursor: pointer; }
.qz-btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.qz-btn--ghost { color: var(--primary); background: var(--surface); border-color: #c9cef5; }
.qz-btn--ghost:hover { color: var(--primary); background: #f3f4fd; border-color: var(--primary); }
.qz-btn--big { width: 100%; padding: 15px; font-size: 1.05rem; color: #4a3500; background: #fcc943; border-color: #fcc943; }
.qz-btn--big:hover { background: #f6bb22; border-color: #f6bb22; }

/* ---------- natija ---------- */
.qz-result { position: relative; overflow: hidden; padding: 22px 20px 20px; margin-bottom: 16px; background: var(--surface); border: 1px solid #e6e9f4; border-radius: 20px; box-shadow: 0 6px 22px rgba(31, 36, 51, .06); text-align: center; }
.qz-result-top { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qz-ring-wrap { position: relative; width: 150px; height: 150px; }
.qz-ring { width: 150px; height: 150px; }
.qz-ring-val { stroke: var(--primary); transition: stroke-dashoffset .8s ease; }
.qz-result--high .qz-ring-val { stroke: #4f5bd5; }
.qz-result--mid .qz-ring-val { stroke: #f0b429; }
.qz-result--low .qz-ring-val { stroke: #e5484d; }
.qz-ring-text { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.qz-ring-text b { font-size: 1.9rem; line-height: 1.1; color: #1e2a78; }
.qz-ring-text span { max-width: 100px; font-size: .84rem; line-height: 1.2; font-weight: 700; color: #3d4356; }
.qz-msg { margin: 0; font-weight: 700; color: #1e2a78; }
.qz-msg span { font-weight: 500; color: var(--muted); font-size: .92rem; }
.qz-confetti { position: absolute; inset: 0 0 auto 0; height: 190px; pointer-events: none; }
.qz-confetti i { position: absolute; width: 7px; height: 12px; border-radius: 2px; opacity: .85; animation: qzFall .9s ease-out both; }
@keyframes qzFall { from { opacity: 0; translate: 0 -24px; } to { opacity: .85; translate: 0 0; } }
.qz-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 18px 0 14px; }
.qz-stat { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 14px; text-align: left; }
.qz-stat > span { flex: 0 0 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.qz-stat small { display: block; font-size: .78rem; color: var(--muted); }
.qz-stat b { font-size: 1.2rem; }
.qz-stat.ok { background: #eaf8f1; } .qz-stat.ok > span { background: #2bb673; color: #fff; } .qz-stat.ok b { color: #138a55; }
.qz-stat.bad { background: #fdeeee; } .qz-stat.bad > span { background: #e5484d; color: #fff; } .qz-stat.bad b { color: #c2373b; }
.qz-stat.time { background: #eef0fd; } .qz-stat.time > span { background: var(--primary); color: #fff; } .qz-stat.time b { color: #1e2a78; }
.qz-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.qz-actions .qz-btn:only-child { grid-column: 1 / -1; }
.qz-next-test { display: block; width: 100%; margin-top: 10px; padding: 10px; font: inherit; font-weight: 700; font-size: .9rem; color: var(--primary); background: none; border: 0; cursor: pointer; }
.qz-next-test:hover { text-decoration: underline; }

/* natijadagi savol kartasi */
.qz-q--ok { border-color: #9fdcbf; }
.qz-q--bad { border-color: #f1a7a9; }
.qz-q--skip { border-color: #f3d27d; }
.qz-q--ok .qz-num { background: #eaf8f1; color: #138a55; }
.qz-q--bad .qz-num { background: #fdeeee; color: #c2373b; }
.qz-q--skip .qz-num { background: #fff6e0; color: #8a6100; }
.qz-badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; margin-top: 3px; border-radius: 9px; font-size: .82rem; font-weight: 700; }
.qz-badge svg { width: 16px; height: 16px; padding: 2px; border-radius: 50%; color: #fff; }
.qz-badge.ok { background: #eaf8f1; color: #138a55; } .qz-badge.ok svg { background: #2bb673; }
.qz-badge.bad { background: #fdeeee; color: #c2373b; } .qz-badge.bad svg { background: #e5484d; }
.qz-badge.skip { background: #fff6e0; color: #8a6100; }
.qz-res-body { display: flex; gap: 18px; align-items: center; margin-top: 10px; padding-left: 48px; }
.qz-res-main { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; }
.qz-res-main .qz-text { flex: 1 1 280px; padding-top: 0; }
.qz-answers { flex: 0 1 280px; display: flex; flex-direction: column; gap: 8px; }
.qz-ans small { display: block; color: var(--muted); font-size: .78rem; }
.qz-ans b { display: inline-flex; align-items: center; gap: 6px; font-size: 1rem; }
.qz-ans b.ok { color: #138a55; } .qz-ans b.bad { color: #c2373b; } .qz-ans b.skip { color: #8a6100; }
.qz-sol { margin: 14px 0 0 48px; border-radius: 12px; background: #f5f7fd; }
.qz-sol summary { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; cursor: pointer; list-style: none; font-weight: 700; font-size: .92rem; color: #1e2a78; }
.qz-sol summary::-webkit-details-marker { display: none; }
.qz-sol summary svg { transition: transform .15s; }
.qz-sol[open] summary svg { transform: rotate(180deg); }
.qz-sol-body { padding: 0 14px 14px; font-size: .94rem; line-height: 1.7; color: #2f3446; }
.qz-sol-title { display: block; margin-bottom: 2px; color: #1e2a78; }
.qz-only-wrong .qz-q--ok { display: none; }

/* ---------- telefon ---------- */
@media (max-width: 760px) {
  .qz-head { flex-wrap: wrap; gap: 10px 12px; padding: 12px 14px; }
  .qz-head-icon { flex-basis: 40px; height: 40px; }
  .qz-head-title { flex: 1 1 calc(100% - 60px); }
  .qz-head-title b { font-size: 1rem; }
  .qz-head-progress { flex: 1 1 auto; min-width: 0; }
  .qz-finish { padding: 9px 12px; font-size: .84rem; }
  .qz-q-body, .qz-res-body { flex-direction: column; align-items: stretch; padding-left: 0; }
  .qz-fig { flex: none; max-width: 260px; align-self: center; }
  .qz-sol { margin-left: 0; }
}
@media (max-width: 560px) {
  .quiz-embedded .quiz-page { padding: 8px 2px 12px; }
  .qz-tab { padding: 8px 10px; }
  .qz-tab small { font-size: .72rem; }
  .qz-q { padding: 14px 12px; }
  .qz-q-top { flex-wrap: wrap; gap: 10px; align-items: center; }
  .qz-q-top .qz-num { order: 1; }
  .qz-badge { order: 2; margin-top: 0; }
  .qz-q-side { order: 3; margin-left: auto; }
  .qz-q-top > .qz-text { order: 4; flex: 1 1 100%; padding-top: 0; }
  .qz-res-main .qz-text { order: 0; }
  .qz-res-main .qz-answers { order: 1; flex: 1 1 100%; flex-direction: row; flex-wrap: wrap; gap: 6px 18px; }
  .qz-opts { grid-template-columns: 1fr; gap: 8px; }
  .qz-opt { min-height: 46px; font-size: .97rem; }
  .qz-stats { gap: 6px; }
  .qz-stat { flex-direction: column; text-align: center; gap: 4px; padding: 8px 4px; }
  .qz-actions { grid-template-columns: 1fr; }
  .qz-ring-wrap, .qz-ring { width: 136px; height: 136px; }
}
/* ustma-ust kasrlar qo'shni qatorlarga tegib qolmasin */
.qz-m { display: inline-block; margin: 3px 0; vertical-align: middle; }

/* ---------- Tungi rejim (html[data-theme="dark"], ranglar — css/style.css oxirida) ---------- */
:root[data-theme="dark"] .qz-tab,
:root[data-theme="dark"] .qz-head,
:root[data-theme="dark"] .qz-q,
:root[data-theme="dark"] .qz-opt,
:root[data-theme="dark"] .qz-mark,
:root[data-theme="dark"] .qz-result { border-color: var(--border); box-shadow: none; }
:root[data-theme="dark"] .qz-head { box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35); }
:root[data-theme="dark"] .qz-head--float { box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5); }
:root[data-theme="dark"] .qz-tab:hover,
:root[data-theme="dark"] .qz-mark:hover,
:root[data-theme="dark"] .qz-opt:hover { border-color: #4a5390; background: var(--surface-2); }
:root[data-theme="dark"] .qz-tab.active,
:root[data-theme="dark"] .qz-mark.on,
:root[data-theme="dark"] .qz-opt.picked { border-color: var(--primary); background: var(--tint); box-shadow: none; }
:root[data-theme="dark"] .qz-head-icon,
:root[data-theme="dark"] .qz-num { background: var(--tint); color: var(--primary); }
:root[data-theme="dark"] .qz-head-title b,
:root[data-theme="dark"] .qz-text,
:root[data-theme="dark"] .qz-ring-text b,
:root[data-theme="dark"] .qz-msg,
:root[data-theme="dark"] .qz-sol summary,
:root[data-theme="dark"] .qz-sol-title,
:root[data-theme="dark"] .qz-stat.time b { color: var(--text); }
:root[data-theme="dark"] .qz-head-progress small,
:root[data-theme="dark"] .qz-belgi,
:root[data-theme="dark"] .qz-mark,
:root[data-theme="dark"] .qz-ring-text span { color: var(--muted); }
:root[data-theme="dark"] .qz-bar { background: var(--surface-2); }
:root[data-theme="dark"] .qz-belgi { background: var(--surface-2); }
:root[data-theme="dark"] .qz-letter { background: var(--surface-2); color: var(--text); }
:root[data-theme="dark"] .qz-opt.picked .qz-letter,
:root[data-theme="dark"] .qz-tick,
:root[data-theme="dark"] .qz-stat.time > span { background: var(--btn); color: #fff; }
:root[data-theme="dark"] .qz-q--miss { border-color: #b98a1c; background: rgba(240, 180, 41, 0.08); }
/* savol chizmalari (rasm) o'z ranglarida — oq quti ichida */
:root[data-theme="dark"] .qz-fig { background: #fff; border-radius: 12px; padding: 8px; }
:root[data-theme="dark"] .qz-warn { background: rgba(240, 180, 41, 0.12); color: #f7d98a; }
:root[data-theme="dark"] .qz-btn { background: var(--btn); border-color: var(--btn); color: #fff; }
:root[data-theme="dark"] .qz-btn:hover { background: var(--btn-hover); border-color: var(--btn-hover); }
:root[data-theme="dark"] .qz-btn--ghost { background: var(--surface); border-color: #4a5390; color: var(--primary); }
:root[data-theme="dark"] .qz-btn--ghost:hover { background: var(--surface-2); border-color: var(--primary); color: var(--primary); }
:root[data-theme="dark"] .qz-btn--big { color: #4a3500; background: #fcc943; border-color: #fcc943; }
:root[data-theme="dark"] .qz-btn--big:hover { background: #f6bb22; border-color: #f6bb22; }
:root[data-theme="dark"] .qz-finish { box-shadow: none; }
:root[data-theme="dark"] .qz-ring circle:first-child { stroke: var(--surface-2); }
:root[data-theme="dark"] .qz-result--high .qz-ring-val { stroke: var(--primary); }
:root[data-theme="dark"] .qz-stat.ok { background: rgba(43, 182, 115, 0.14); }
:root[data-theme="dark"] .qz-stat.bad { background: rgba(229, 72, 77, 0.14); }
:root[data-theme="dark"] .qz-stat.time { background: var(--tint); }
:root[data-theme="dark"] .qz-stat.ok b,
:root[data-theme="dark"] .qz-badge.ok,
:root[data-theme="dark"] .qz-ans b.ok,
:root[data-theme="dark"] .qz-q--ok .qz-num { color: var(--ok); }
:root[data-theme="dark"] .qz-stat.bad b,
:root[data-theme="dark"] .qz-badge.bad,
:root[data-theme="dark"] .qz-ans b.bad,
:root[data-theme="dark"] .qz-q--bad .qz-num { color: var(--bad); }
:root[data-theme="dark"] .qz-badge.skip,
:root[data-theme="dark"] .qz-ans b.skip,
:root[data-theme="dark"] .qz-q--skip .qz-num { color: var(--warn); }
:root[data-theme="dark"] .qz-badge.ok,
:root[data-theme="dark"] .qz-q--ok .qz-num { background: rgba(43, 182, 115, 0.14); }
:root[data-theme="dark"] .qz-badge.bad,
:root[data-theme="dark"] .qz-q--bad .qz-num { background: rgba(229, 72, 77, 0.14); }
:root[data-theme="dark"] .qz-badge.skip,
:root[data-theme="dark"] .qz-q--skip .qz-num { background: rgba(240, 180, 41, 0.14); }
:root[data-theme="dark"] .qz-q--ok { border-color: #2c7a55; }
:root[data-theme="dark"] .qz-q--bad { border-color: #8f3a44; }
:root[data-theme="dark"] .qz-q--skip { border-color: #8a6a1e; }
:root[data-theme="dark"] .qz-sol { background: var(--surface-2); }
:root[data-theme="dark"] .qz-sol-body { color: var(--text); }

/* ---------- testni PDF qilib saqlash (quiz-engine.js: qzPdfButtons, qzPdfBuild) ---------- */
.qz-pdf { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; flex: 1 1 auto; }
.qz-pdf-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; font: inherit; font-size: .84rem; font-weight: 700; color: var(--primary); background: var(--surface); border: 1.5px solid #c9cef5; border-radius: 10px; cursor: pointer; text-decoration: none; white-space: nowrap; }
.qz-pdf-btn:hover { border-color: var(--primary); background: #f3f4fd; }
.qz-pdf-btn:disabled { opacity: .6; cursor: wait; }
:root[data-theme="dark"] .qz-pdf-btn { background: var(--surface); border-color: #4a5390; color: var(--primary); }
:root[data-theme="dark"] .qz-pdf-btn:hover { background: var(--surface-2); border-color: var(--primary); }
@media (max-width: 560px) { .qz-pdf-btn { padding: 6px 10px; font-size: .8rem; } }

/* chop etiladigan varaq: ekranda yashirin (faqat &pdf= rejimida ko'rinadi) */
#qz-print { display: none; }
.qz-pdf-mode .quiz-page { display: none; }
.qz-pdf-mode #qz-print { display: block; max-width: 210mm; margin: 0 auto 32px; padding: 14mm 13mm; background: #fff; box-shadow: 0 4px 24px rgba(0, 0, 0, .12); }
.qz-pdf-tools { max-width: 210mm; margin: 16px auto; padding: 0 12px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.qz-pdf-tools p { flex: 1 1 100%; margin: 0; font-size: .9rem; color: var(--muted); }

#qz-print { color: #000; font-family: "Inter", "Segoe UI", Arial, sans-serif; font-size: 10.5pt; line-height: 1.4; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
#qz-print .qp-head { border-bottom: 1.5pt solid #000; padding-bottom: 8pt; margin-bottom: 10pt; }
#qz-print .qp-brand { font-size: 9pt; color: #444; letter-spacing: .02em; }
#qz-print h1 { margin: 2pt 0 1pt; font-size: 15pt; line-height: 1.25; color: #000; }
#qz-print h2 { margin: 0 0 1pt; font-size: 15pt; color: #000; }
#qz-print h3 { margin: 12pt 0 4pt; font-size: 11.5pt; color: #000; }
#qz-print .qp-sub { font-size: 10pt; font-weight: 600; color: #222; }
#qz-print .qp-lines { display: flex; flex-wrap: wrap; gap: 4pt 18pt; margin-top: 10pt; font-size: 10pt; }
#qz-print .qp-lines span { display: inline-flex; align-items: flex-end; gap: 4pt; }
#qz-print .qp-l { display: inline-block; width: 26mm; border-bottom: .8pt solid #000; height: 1em; }
#qz-print .qp-l--w { width: 70mm; }
#qz-print .qp-hint { margin-top: 6pt; font-size: 9pt; color: #444; font-style: italic; }
#qz-print .qp-list { list-style: none; margin: 0; padding: 0; }
#qz-print .qp-q { display: flex; gap: 6pt; align-items: flex-start; padding: 6pt 0 7pt; border-bottom: .5pt solid #bbb; break-inside: avoid; page-break-inside: avoid; }
#qz-print .qp-num { flex: 0 0 18pt; font-weight: 800; }
#qz-print .qp-main { flex: 1 1 auto; min-width: 0; }
#qz-print .qp-text { font-weight: 600; }
#qz-print .qp-fig { flex: 0 0 50mm; max-width: 50mm; }
#qz-print .qp-fig svg { display: block; width: 100%; height: auto; max-height: 40mm; }
#qz-print .qp-opts { list-style: none; margin: 4pt 0 0; padding: 0; display: grid; gap: 2pt 12pt; }
#qz-print .qp-c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
#qz-print .qp-c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
#qz-print .qp-c1 { grid-template-columns: 1fr; }
#qz-print .qp-opts li { overflow-wrap: anywhere; }
#qz-print .qp-opts b { font-weight: 800; }
#qz-print .qz-m { margin: 1pt 0; }
#qz-print .qz-m .katex { font-size: 1.05em; }
#qz-print .qp-ans { break-before: page; page-break-before: always; }
#qz-print .qp-keys { display: flex; gap: 10mm; margin-top: 8pt; align-items: flex-start; }
#qz-print .qp-key { flex: 1 1 0; border-collapse: collapse; font-size: 10pt; }
#qz-print .qp-key th, #qz-print .qp-key td { border: .7pt solid #000; padding: 3pt 6pt; text-align: left; vertical-align: middle; }
#qz-print .qp-key th { background: #eee; font-size: 9pt; }
#qz-print .qp-key td:first-child, #qz-print .qp-key th:first-child { width: 9mm; text-align: center; }
#qz-print .qp-key .qp-k { width: 13mm; text-align: center; font-weight: 800; font-size: 11pt; }
#qz-print .qp-sols { list-style: none; margin: 0; padding: 0; font-size: 9pt; line-height: 1.45; }
#qz-print .qp-sols li { padding: 3pt 0; border-bottom: .4pt solid #ccc; break-inside: avoid; page-break-inside: avoid; }

@page { size: A4; margin: 13mm 13mm 15mm; @bottom-center { content: counter(page) " / " counter(pages); font-size: 9pt; color: #555; } }
@media print {
  html.qz-printing, html.qz-printing body { background: #fff !important; color: #000; overflow: visible !important; }
  html.qz-printing body > *:not(#qz-print) { display: none !important; }
  html.qz-printing #qz-print { display: block !important; max-width: none; margin: 0; padding: 0; box-shadow: none; }
}
@media (max-width: 560px) {
  .qz-pdf-mode #qz-print { padding: 16px 12px; }
  .qz-pdf-mode #qz-print .qp-q { flex-wrap: wrap; }
  .qz-pdf-mode #qz-print .qp-main { flex: 1 1 calc(100% - 30pt); }
  .qz-pdf-mode #qz-print .qp-fig { flex: 1 1 100%; max-width: 70mm; margin-left: 24pt; }
  .qz-pdf-mode #qz-print .qp-c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}