.dteq-app{--dteq-border:#d9dee7;--dteq-bg:#fff;--dteq-soft:#f6f8fb;--dteq-text:#172033;--dteq-muted:#5c667a;--dteq-good:#0f7a45;--dteq-bad:#b42318;--dteq-accent:#1d4ed8;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--dteq-text);line-height:1.65}.dteq-app *{box-sizing:border-box}.dteq-hero{background:linear-gradient(135deg,#f8fafc,#eef4ff);border:1px solid var(--dteq-border);border-radius:20px;padding:24px;margin:0 0 18px}.dteq-kicker{font-size:13px;letter-spacing:.08em;color:var(--dteq-accent);font-weight:700;margin:0 0 6px}.dteq-hero h2{font-size:clamp(24px,4vw,36px);line-height:1.25;margin:0 0 10px}.dteq-lead{margin:0 0 8px;font-size:16px}.dteq-note{font-size:13px;color:var(--dteq-muted);margin:0 0 16px}.dteq-actions{display:flex;gap:10px;flex-wrap:wrap}.dteq-btn{appearance:none;border:1px solid var(--dteq-border);background:#fff;color:var(--dteq-text);border-radius:999px;padding:10px 16px;font-weight:700;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.04)}.dteq-btn:hover{transform:translateY(-1px)}.dteq-btn-primary{background:var(--dteq-accent);color:#fff;border-color:var(--dteq-accent)}.dteq-sticky{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(10px);border:1px solid var(--dteq-border);border-radius:16px;padding:14px 16px;margin:0 0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 8px 24px rgba(15,23,42,.06)}.dteq-progress-wrap{flex:1}.dteq-progress-text{display:block;margin-bottom:7px}.dteq-progress{height:9px;background:#e5e7eb;border-radius:999px;overflow:hidden}.dteq-progress-bar{display:block;height:100%;width:0;background:var(--dteq-accent);transition:width .2s ease}.dteq-score-mini{font-weight:800;white-space:nowrap}.dteq-result{margin:14px 0}.dteq-result-card{border-radius:18px;border:1px solid var(--dteq-border);padding:18px;background:#fff}.dteq-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:12px}.dteq-result-item{background:var(--dteq-soft);border-radius:14px;padding:12px}.dteq-result-item span{display:block;font-size:12px;color:var(--dteq-muted)}.dteq-result-item strong{font-size:20px}.dteq-warning{border:1px solid #f6c453;background:#fff8df;color:#4d3700;border-radius:14px;padding:12px 14px}.dteq-jump{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.dteq-jump a{font-size:13px;text-decoration:none;border:1px solid var(--dteq-border);background:#fff;border-radius:999px;padding:7px 10px;color:var(--dteq-text)}.dteq-subject-title{font-size:22px;border-left:6px solid var(--dteq-accent);padding-left:10px;margin:28px 0 14px}.dteq-question{border:1px solid var(--dteq-border);background:var(--dteq-bg);border-radius:18px;padding:18px;margin:0 0 14px}.dteq-question.is-correct{border-color:rgba(15,122,69,.35);background:#f3fbf7}.dteq-question.is-wrong{border-color:rgba(180,35,24,.35);background:#fff7f6}.dteq-q-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;margin-bottom:8px}.dteq-q-no{font-weight:900}.dteq-chip{font-size:12px;border-radius:999px;padding:3px 9px;background:var(--dteq-soft);color:var(--dteq-muted);white-space:nowrap}.dteq-q-text{font-weight:700;margin:8px 0 12px}.dteq-options{display:grid;gap:8px}.dteq-option{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--dteq-border);border-radius:14px;padding:10px 12px;background:#fff;cursor:pointer}.dteq-option:hover{background:#f8fafc}.dteq-option input{margin-top:5px;flex:0 0 auto}.dteq-option-label{font-weight:800;min-width:1.5em}.dteq-option.is-selected{border-color:#94a3b8;background:#f8fafc}.dteq-option.is-answer{border-color:rgba(15,122,69,.55);background:#ecfdf3}.dteq-option.is-user-wrong{border-color:rgba(180,35,24,.55);background:#fff1f0}.dteq-feedback{margin-top:12px;border-top:1px dashed var(--dteq-border);padding-top:12px;font-size:14px}.dteq-feedback strong{font-weight:900}.dteq-correct-text{color:var(--dteq-good)}.dteq-wrong-text{color:var(--dteq-bad)}.dteq-hidden-wrong-mode .dteq-question.is-correct{display:none}.dteq-footer-note{font-size:12px;color:var(--dteq-muted)}@media (max-width:720px){.dteq-sticky{align-items:stretch;flex-direction:column}.dteq-result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dteq-actions{display:grid;grid-template-columns:1fr 1fr}.dteq-btn{padding:10px 12px}.dteq-q-head{display:block}.dteq-chip{display:inline-block;margin-top:6px}}@media print{.dteq-actions,.dteq-sticky,.dteq-jump{display:none!important}.dteq-question{break-inside:avoid}.dteq-app{font-size:12px}.dteq-hero{border:none;padding:0;background:none}}