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var(--line);border-bottom:1px solid var(--line)}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}.contact-item{display:flex;gap:12px;align-items:flex-start}.contact-item svg{width:20px;color:var(--ink);flex:none;margin-top:2px}.contact-item strong{display:block;font-size:.9rem}.contact-item span,.contact-item a{color:var(--muted);font-size:.93rem}.site-foot{background:var(--ink-strong);color:#c9d4e4}.site-foot-inner{max-width:1180px;margin:0 auto;padding:48px 32px 28px;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}.site-foot-inner h4{color:#fff;font-family:var(--sans);font-size:.86rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}.site-foot-inner p{font-size:.89rem;color:#a9b8ce;line-height:1.65;margin:0}.site-foot-links{display:flex;flex-direction:column;gap:10px;list-style:none;padding:0;margin:0}.site-foot-links a,.site-foot-links span{color:#c9d4e4;text-decoration:none;font-size:.9rem}.site-foot-links 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svg{width:18px}.timer.warn{border-color:var(--amber);color:var(--amber);background:var(--amber-soft)}.timer.danger{border-color:var(--red);color:var(--red);background:var(--red-soft)}.save-state{font-size:.84rem;color:var(--muted);display:flex;align-items:center;gap:6px;min-width:92px}.save-state svg{width:15px}.save-state.err{color:var(--red)}.exam-body{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;padding:24px;max-width:1240px;width:100%;margin:0 auto}.question-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 34px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow-card)}.q-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:.9rem;color:var(--muted)}.q-head strong{color:var(--ink-strong);font-size:.95rem}.q-text{font-family:var(--serif);font-size:1.3rem;line-height:1.5;color:var(--text);white-space:pre-wrap;max-width:70ch}.options{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;border:0}.option{display:flex;align-items:center;gap:14px;padding:14px 17px;border:1.5px solid var(--line);border-radius:var(--r-md);cursor:pointer;background:var(--paper);transition:border-color .15s var(--ease),background-color .15s var(--ease),transform .1s var(--ease)}.option:hover{border-color:var(--line-strong);background:var(--surface-subtle)}.option input{position:absolute;opacity:0;pointer-events:none}.option.selected{border-color:var(--ink);background:var(--ink-soft)}.option:has(input:focus-visible){outline:2.5px solid color-mix(in srgb,var(--ink) 50%,transparent);outline-offset:2px}.option-text{font-size:1.03rem;line-height:1.45;white-space:pre-wrap}.q-actions{display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px}.q-actions .mid{display:flex;gap:8px;flex-wrap:wrap}.btn.marked{background:var(--amber-soft);border-color:var(--amber);color:var(--amber)}.answer-sheet{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;align-self:start;position:sticky;top:84px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-card)}.answer-sheet h2{font-size:1rem}.sheet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:8px;max-height:46vh;overflow-y:auto;padding:2px}.sheet-btn{position:relative;border:0;background:none;padding:0;cursor:pointer;display:grid;place-items:center}.sheet-btn .bubble{--b: 36px;font-size:.8rem}.sheet-btn.current .bubble{box-shadow:0 0 0 3px var(--paper),0 0 0 5px var(--ink)}.sheet-btn.review:after{content:"";position:absolute;top:-1px;right:0;width:11px;height:11px;border-radius:50%;background:var(--amber);border:2px solid var(--paper)}.legend{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:.82rem;color:var(--muted)}.legend span{display:flex;align-items:center;gap:7px}.legend .bubble{--b: 16px}.legend .dot-review{width:11px;height:11px;border-radius:50%;background:var(--amber)}.sheet-counts{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;border:1px solid var(--line);border-radius:var(--r-sm)}.sheet-counts div{padding:8px 4px}.sheet-counts div+div{border-left:1px solid var(--line)}.sheet-counts strong{display:block;font-size:1.1rem;font-variant-numeric:tabular-nums}.sheet-counts span{font-size:.76rem;color:var(--muted)}.sheet-toggle{display:none}.kbd-hint{font-size:.8rem;color:var(--muted)}kbd{font-family:var(--sans);font-size:.76rem;border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:4px;padding:0 5px;background:var(--surface-subtle)}.score-hero{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center}.score-ring{width:132px;height:132px;position:relative}.score-ring svg{width:132px;height:132px;transform:rotate(-90deg)}.score-ring .ring-label{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center}.score-ring .ring-label strong{font-family:var(--serif);font-size:1.7rem;color:var(--ink-strong);display:block;line-height:1}.score-ring .ring-label span{font-size:.78rem;color:var(--muted)}.score-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}.score-facts div{border-left:3px solid var(--line);padding-left:10px}.score-facts span{font-size:.8rem;color:var(--muted);display:block}.score-facts strong{font-size:1.15rem;font-variant-numeric:tabular-nums}.score-facts .f-correct{border-color:var(--green)}.score-facts 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