:root{--ink:#f7f7ff;--muted:#aeb2d8;--bg:#08091b;--panel:#14162f;--line:#2c3160;--pink:#ff3d8d;--cyan:#38dcff;--gold:#ffd34d;--green:#45e09f;--red:#ff667d;font-family:Inter,"Noto Sans TC",system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 0,#20245d 0,transparent 35%),radial-gradient(circle at 90% 20%,#4b1349 0,transparent 30%),var(--bg)}button,input,textarea,select{font:inherit}button{border:0;cursor:pointer}.shell{width:min(1120px,calc(100% - 32px));margin:auto;padding:28px 0 60px}.brand{font-size:clamp(28px,5vw,54px);font-weight:1000;letter-spacing:-.06em}.brand span{color:var(--cyan)}.tag{color:var(--muted);margin-top:4px}.panel{background:#14162fe8;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 24px 70px #0007;margin-top:22px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.field{display:grid;gap:7px;color:var(--muted)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;background:#0c0e25;color:var(--ink);padding:13px 15px}textarea{min-height:110px}.primary,.secondary,.danger{padding:13px 20px;border-radius:14px;font-weight:900}.primary{background:linear-gradient(135deg,var(--pink),#8b5dff);color:white}.secondary{background:#25294f;color:white}.danger{background:#542338;color:#ffd6df}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.big{font-size:clamp(30px,8vw,82px);font-weight:1000;line-height:1}.code{letter-spacing:.16em;color:var(--gold)}.muted{color:var(--muted)}.answers{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.answer{min-height:94px;border:2px solid transparent;border-radius:20px;padding:18px;color:white;font-weight:900;font-size:clamp(17px,3vw,26px);text-align:left;transition:.15s}.answer:nth-child(4n+1){background:#e83e67}.answer:nth-child(4n+2){background:#277ce6}.answer:nth-child(4n+3){background:#d49b11}.answer:nth-child(4n){background:#24a86b}.answer:active{transform:scale(.97)}.answer.selected{border-color:white;box-shadow:0 0 0 5px #fff3}.answer[disabled]{cursor:default;filter:saturate(.55)}.answer.correct{box-shadow:0 0 0 5px var(--green)}.answer.wrong{opacity:.45}.status{display:inline-flex;padding:7px 12px;border-radius:999px;background:#24284f;color:var(--cyan);font-weight:800}.timer{font-variant-numeric:tabular-nums;color:var(--gold)}.ranking{display:grid;gap:9px}.rank{display:grid;grid-template-columns:55px 1fr auto auto;gap:12px;align-items:center;background:#0d1028;padding:12px 15px;border-radius:13px}.rank:nth-child(1){border:1px solid var(--gold)}.score{font-weight:900}.notice{padding:15px;border-radius:14px;background:#0d2540;color:#bdeeff}.hidden{display:none!important}.screen{text-align:center}.screen .panel{min-height:65vh;display:grid;align-content:center}.screen .answers{max-width:1000px;margin:28px auto 0}.screen .rank{text-align:left}.qr{width:min(260px,60vw);background:white;border-radius:18px;padding:10px}.self{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.metric{background:#0d1028;padding:13px;border-radius:14px}.metric b{display:block;font-size:25px}.metric small{color:var(--muted)}.question-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#0d1028;margin:12px 0}.question-card h4{margin:0}.question-card .tools{margin-left:auto}.question-card .tools button{padding:8px 11px}.question-number{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--cyan);color:#07101f;font-weight:1000}.danger-zone{margin-top:28px;border:1px solid #7a3045;border-radius:18px;padding:18px;background:#2a101c}.danger-zone h3{margin:0;color:#ff9cad}.danger-auth{margin-top:14px;padding-top:14px;border-top:1px solid #6b3042}@media(max-width:620px){.shell{width:min(100% - 20px,1120px);padding-top:16px}.panel{padding:18px;border-radius:19px}.answers{grid-template-columns:1fr}.rank{grid-template-columns:42px 1fr auto}.rank .streak{display:none}.question-card .grid{grid-template-columns:1fr}}
.choice-editor{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}.choice-card{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px;border-radius:16px}.choice-card input{border-color:#ffffff55;background:#0002;color:white;font-weight:900}.choice-card.c0{background:#e83e67}.choice-card.c1{background:#277ce6}.choice-card.c2{background:#d49b11}.choice-card.c3{background:#24a86b}.choice-card.c4{background:#8b5dff}.choice-card.c5{background:#db5b18}.choice-actions{display:flex;gap:6px;align-items:center}.choice-actions button{padding:8px 10px;border-radius:10px;background:#0005;color:white}.choice-actions .is-correct{background:white;color:#10213a;font-weight:1000}.image-editor{display:grid;grid-template-columns:minmax(220px,1fr) minmax(220px,360px);gap:14px;margin-top:12px;align-items:center}.question-image{display:block;max-width:100%;max-height:280px;margin:14px auto;border-radius:16px;object-fit:contain;background:#07091a}.image-preview{min-height:120px;border:1px dashed var(--line);border-radius:16px;display:grid;place-items:center;padding:12px}.image-preview img{max-width:100%;max-height:190px;border-radius:12px}@media(max-width:620px){.choice-editor,.image-editor{grid-template-columns:1fr}.choice-card{grid-template-columns:1fr}.choice-actions{justify-content:flex-end}}