:root{color-scheme:dark;--bg:#08080a;--panel:rgba(18,18,24,.86);--panel2:rgba(34,14,18,.78);--text:#fff7ee;--muted:#cdbfb6;--line:rgba(255,247,238,.15);--red:#ff3d45;--yellow:#ffd166;--green:#85e89d;--shadow:0 30px 90px rgba(0,0,0,.45)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:radial-gradient(circle at 15% 5%,rgba(255,61,69,.28),transparent 30rem),radial-gradient(circle at 85% 15%,rgba(255,209,102,.13),transparent 28rem),linear-gradient(150deg,#050506,#121015 48%,#23080c)}button{font:inherit}.shell{width:min(980px,calc(100vw - 28px));margin:0 auto;padding:36px 0 52px}.hero,.card{border:1px solid var(--line);background:linear-gradient(145deg,rgba(20,20,28,.9),rgba(28,10,14,.78));border-radius:30px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.hero{padding:clamp(26px,6vw,54px);position:relative;overflow:hidden}.hero:after{content:"SOAD";position:absolute;right:-.12em;bottom:-.26em;font-size:clamp(5rem,22vw,15rem);font-weight:950;letter-spacing:-.12em;color:rgba(255,255,255,.035);pointer-events:none}.eyebrow{margin:0 0 12px;color:var(--yellow);font-size:.78rem;text-transform:uppercase;letter-spacing:.17em;font-weight:950}h1{margin:0;font-size:clamp(2.55rem,8vw,6.3rem);line-height:.86;letter-spacing:-.075em;max-width:760px}h2{margin:0;font-size:clamp(1.45rem,4vw,2.35rem);line-height:1.08;letter-spacing:-.035em}.lead{color:var(--muted);font-size:clamp(1rem,2vw,1.18rem);line-height:1.65;max-width:760px}.hero-actions,.quiz-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.primary,.ghost{border:1px solid transparent;border-radius:999px;padding:14px 18px;font-weight:950;cursor:pointer;transition:transform .16s ease,filter .16s ease,border-color .16s ease}.primary{background:linear-gradient(135deg,var(--red),#ff7a3d);color:white;box-shadow:0 14px 36px rgba(255,61,69,.24)}.primary:hover:not(:disabled),.ghost:hover{transform:translateY(-2px)}.primary:disabled{opacity:.48;cursor:not-allowed}.ghost{background:rgba(255,255,255,.055);border-color:var(--line);color:var(--text)}.stats{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}.stats span,.score-pill{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.055);padding:8px 11px;color:var(--muted);font-weight:780;font-size:.88rem}.card{padding:clamp(22px,4vw,34px);margin-top:20px}.quiz-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.score-pill{color:var(--green);white-space:nowrap}.progress{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:24px 0}.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),var(--yellow));border-radius:inherit;transition:width .25s ease}.answers{display:grid;gap:12px}.answer{width:100%;text-align:left;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.055);color:var(--text);padding:16px 18px;cursor:pointer;line-height:1.35;transition:transform .14s ease,border-color .14s ease,background .14s ease}.answer:hover:not(:disabled){transform:translateY(-1px);border-color:rgba(255,209,102,.45);background:rgba(255,255,255,.085)}.answer.correct{border-color:rgba(133,232,157,.75);background:rgba(133,232,157,.13)}.answer.wrong{border-color:rgba(255,61,69,.85);background:rgba(255,61,69,.13)}.answer:disabled{cursor:default}.feedback{min-height:28px;margin-top:16px;font-weight:850}.feedback.good{color:var(--green)}.feedback.bad{color:#ff9aa0}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.result-grid div{border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.055);padding:18px}.result-grid strong{display:block;font-size:1.6rem}.result-grid span{display:block;color:var(--muted);margin-top:5px}.review{display:grid;gap:10px;padding-left:22px;margin:22px 0;color:var(--muted)}.review li{line-height:1.45}.review b{color:var(--text)}.review .ok{color:var(--green)}.review .no{color:#ff9aa0}@media(max-width:680px){.quiz-head,.result-grid{grid-template-columns:1fr;display:grid}.score-pill{width:fit-content}.shell{padding:18px 0 38px}}