:root{--bg:#f4f6fb;--card:#fff;--text:#172033;--muted:#687386;--primary:#6757e8;--border:#e5e8f0;--shadow:0 16px 45px rgba(28,35,60,.10)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit}.top{height:66px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;font-size:20px}.brandIcon{width:34px;height:34px;border-radius:50%;background:conic-gradient(#ff595e 0 16%,#ffca3a 16% 33%,#8ac926 33% 50%,#1982c4 50% 67%,#6a4c93 67% 84%,#f72585 84%);border:4px solid #fff;box-shadow:0 2px 9px #bbb}
.nav{display:flex;gap:7px}.nav button,.iconbtn{border:1px solid var(--border);background:#fff;border-radius:9px;padding:9px 12px;color:var(--text)}
.app{max-width:1400px;margin:auto;padding:18px;display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:18px}.stage,.panel,.content{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}
.stage{min-height:700px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}
.wheelWrap{position:relative;width:min(70vw,650px);height:min(70vw,650px);max-width:650px;max-height:650px}.wheelWrap canvas{width:100%;height:100%;filter:drop-shadow(0 16px 24px rgba(0,0,0,.15))}
.pointer{position:absolute;top:-3px;left:50%;transform:translateX(-50%);z-index:4;width:0;height:0;border-left:18px solid transparent;border-right:18px solid transparent;border-bottom:42px solid #1b2130}
.centerBtn{position:absolute;z-index:5;left:50%;top:50%;transform:translate(-50%,-50%);width:105px;height:105px;border-radius:50%;border:8px solid #fff;background:var(--primary);color:#fff;font-weight:900;font-size:19px;box-shadow:0 7px 22px rgba(0,0,0,.2)}.centerBtn:disabled{opacity:.55}
.hint{color:var(--muted);font-size:14px}.kbd{border:1px solid #d9dce5;border-bottom-width:2px;border-radius:6px;padding:2px 7px;background:#fff}
.panel{padding:18px}.panelHead{display:flex;justify-content:space-between;align-items:center}.panel h2{font-size:18px}textarea{width:100%;height:225px;border:1px solid var(--border);border-radius:12px;padding:13px;resize:vertical;outline:none;line-height:1.55;background:#fafbfe;color:var(--text)}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.btn{border:0;border-radius:10px;padding:10px 13px;background:#eef0f7;color:var(--text);font-weight:650}.primary{background:var(--primary);color:#fff}.danger{background:#fee9eb;color:#b42332}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}.stat{background:#f7f8fc;border:1px solid var(--border);border-radius:11px;padding:9px;text-align:center}.stat b{display:block;font-size:18px}.stat span{font-size:11px;color:var(--muted)}
.section{border-top:1px solid var(--border);padding-top:14px;margin-top:14px}.section h3{font-size:13px;margin:0 0 10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.setting{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:14px}.setting small{display:block;color:var(--muted);margin-top:2px}
.switch{position:relative;width:42px;height:24px}.switch input{display:none}.slider{position:absolute;inset:0;border-radius:20px;background:#d8dce6}.slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;border-radius:50%;background:#fff;transition:.2s}.switch input:checked+.slider{background:var(--primary)}.switch input:checked+.slider:before{transform:translateX(18px)}
select,input[type=number]{border:1px solid var(--border);border-radius:9px;padding:8px;background:#fff}.history{max-height:160px;overflow:auto;border:1px solid var(--border);border-radius:10px}.history div{padding:8px 10px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;font-size:13px}.history small{color:var(--muted)}.empty{padding:12px;text-align:center;color:var(--muted)}
.content{max-width:1000px;margin:25px auto;padding:35px;line-height:1.7}.content h1{font-size:34px}.content h2{margin-top:30px}.site-footer{max-width:1400px;margin:auto;padding:28px 18px;color:var(--muted);font-size:13px;text-align:center}.site-footer a{text-decoration:none;margin:0 8px}
.adbox{min-height:90px;border:1px dashed #cfd4df;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#8a93a4;font-size:12px;background:#fafbfe;margin:15px 0}.adbox.topAd{min-height:90px;max-width:1000px;margin:18px auto}
.modal{position:fixed;inset:0;background:rgba(14,18,30,.55);display:none;place-items:center;z-index:50;padding:20px}.modal.show{display:grid}.dialog{background:#fff;border-radius:18px;width:min(560px,100%);padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.25);text-align:center}.winner{font-size:clamp(32px,7vw,62px);font-weight:900;color:var(--primary);padding:25px 10px;word-break:break-word}.close{float:right;border:0;background:#f1f2f6;border-radius:50%;width:34px;height:34px}
#confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:60}#confetti i{position:absolute;top:-20px;width:9px;height:15px;animation:fall 1.9s linear forwards}@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:0}}
#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);background:#202638;color:#fff;padding:11px 16px;border-radius:10px;opacity:0;transition:.25s;z-index:80}#toast.show{opacity:1;transform:translateX(-50%)}
@media(max-width:950px){.app{grid-template-columns:1fr}.stage{min-height:auto}.wheelWrap{width:min(90vw,650px);height:min(90vw,650px)}}
@media(max-width:520px){.top{padding:0 10px}.brand{font-size:16px}.nav button{padding:8px}.nav span{display:none}.app{padding:10px}.content{padding:22px}.content h1{font-size:28px}}