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12px;border-radius:6px;background:var(--paper);border:1.5px solid var(--line)}.timer.low{color:var(--bad);border-color:var(--bad)}.progress{font-size:14px;color:var(--muted)}.save-state{font-size:13px;color:var(--muted)}.qcard{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:18px clamp(14px,3vw,22px)}.qcard.ok{border-color:var(--good)}.qcard.bad{border-color:var(--bad)}.qnum{font:700 12px var(--f-mono);color:var(--muted);letter-spacing:.06em}.qtext{font-size:18px;font-weight:500;margin:4px 0 14px;white-space:pre-wrap;overflow-wrap:anywhere}.blank{display:inline-block;min-width:3.5em;border-bottom:2px solid var(--ink)}.opts{display:grid;gap:8px}.opt{display:flex;gap:12px;align-items:center;text-align:left;width:100%;padding:10px 14px;border:1.5px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);font:500 16px var(--f-body);cursor:pointer}.opt .k{font:700 13px var(--f-mono);width:28px;height:28px;display:grid;place-items:center;border:1.5px solid var(--line);border-radius:50%;flex:none}.opt:hover{border-color:var(--accent)}.opt.sel{border-color:var(--accent);background:var(--accent-soft)}.opt.sel .k{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.opt.right{border-color:var(--good);background:var(--good-soft)}.opt.right .k{background:var(--good);border-color:var(--good);color:#fff}.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}.opt.wrong .k{background:var(--bad);border-color:var(--bad);color:#fff}.opt[disabled]{cursor:default}.audio-box{background:var(--paper-2);border:1px dashed var(--line);border-radius:8px;padding:12px 14px;display:grid;gap:8px}.audio-box audio{width:100%}.explain{margin-top:12px;font-size:15px;padding:10px 12px;border-radius:6px;background:var(--paper-2)}.result-hero{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.big-score{font:800 64px/1 var(--f-display);letter-spacing:-.03em}.big-score small{font-size:24px;color:var(--muted)}.stamp{display:inline-block;font:700 13px var(--f-mono);letter-spacing:.06em;padding:5px 10px;border:2px solid currentColor;border-radius:4px;transform:rotate(-3deg)}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px 16px}.login{width:100%;max-width:400px}.login h1{margin-bottom:4px}.login form{display:grid;gap:14px;margin-top:20px}.empty{text-align:center;padding:36px 16px;color:var(--muted)}.empty h3{color:var(--ink)}.spinner{width:22px;height:22px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.center{display:grid;place-items:center;padding:48px 0}@keyframes spin{to{transform:rotate(360deg)}}.creds{font-family:var(--f-mono);font-size:14px}.qpreview{display:grid;gap:8px;max-height:420px;overflow:auto;padding-right:4px}.qpreview .qp{border:1px solid var(--line);border-radius:6px;padding:8px 10px;font-size:14px;background:var(--paper)}.qpreview .qp b{font-family:var(--f-mono)}.dropline{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px;border:1.5px dashed var(--line);border-radius:8px;background:var(--paper-2)}.checklist{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:4px;font-size:14px}.stat-row{display:flex;gap:10px 28px;flex-wrap:wrap}.stat b{display:block;font:700 24px var(--f-mono);font-variant-numeric:tabular-nums}.stat span{font-size:13px;color:var(--muted)}@media (max-width: 560px){.who{margin-left:0;width:100%;justify-content:space-between}.exam-head{top:104px}th,td{padding:8px 10px}}@media (prefers-reduced-motion: reduce){.spinner{animation-duration:2s}}