:root{color-scheme:dark;--base:#303446;--mantle:#292c3c;--surface:#414559;--surface1:#51576d;--text:#c6d0f5;--muted:#a5adce;--pink:#f4b8e4;--red:#e78284;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--base)}*{box-sizing:border-box}body{margin:0}main{max-width:1100px;margin:0 auto;padding:56px 48px 80px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:40px}.site-title{color:var(--pink);font-size:clamp(26px,4vw,40px);line-height:1.2;letter-spacing:-1px;font-weight:700;margin:0}h2{font-size:24px}h3{font-size:18px;margin:0;overflow-wrap:anywhere}a{color:var(--pink);text-decoration:none}a:hover{text-decoration:underline}.video{aspect-ratio:16/9;width:100%;max-width:900px;background:var(--mantle);border:1px solid var(--surface1);border-radius:12px;overflow:hidden;margin-bottom:36px}.video iframe{display:block;width:100%;height:100%;border:0}#guest{max-width:900px}.row{display:flex;align-items:center;gap:16px}.row input{flex:1}.row button{flex-shrink:0;min-width:160px}input,select{font:inherit;border:1px solid var(--surface1);border-radius:8px;padding:15px 17px;min-width:0;width:100%;color:var(--text);background:var(--mantle)}input::placeholder{color:var(--muted)}input:focus,select:focus{outline:2px solid var(--pink);outline-offset:2px}button,.button{display:inline-block;font:inherit;font-weight:600;padding:15px 24px;border:0;border-radius:8px;background:var(--pink);color:var(--base);cursor:pointer}button:hover{filter:brightness(1.05)}button:disabled{opacity:.5;cursor:not-allowed}.policy{font-size:14px;line-height:1.8;margin:16px 0;color:var(--muted)}#login-challenge,#challenge{margin-top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}#account{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}#account button{padding:8px 12px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0}.card{border:1px solid var(--surface1);background:var(--mantle);border-radius:12px;padding:22px;margin-bottom:20px}.hint{font-size:12px;color:var(--muted);line-height:1.7;overflow-wrap:anywhere}.hint:empty{display:none}.records{list-style:none;padding:0;margin:16px 0}.records li{display:flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid var(--surface)}.record-info{flex:1;min-width:0;overflow-wrap:anywhere}.record-info small{display:block;color:var(--muted);font-size:12px;line-height:1.7}.secondary{background:var(--surface);color:var(--text);padding:9px 14px;font-size:13px}.danger{background:#e7828422;color:var(--red);padding:9px 14px;font-size:13px}.record-form{display:grid;grid-template-columns:1.1fr .7fr 1.8fr .6fr .7fr auto;gap:10px;padding-top:18px;border-top:1px solid var(--surface)}label{display:block;font-size:12px;color:var(--muted);margin-bottom:7px}.record-form input,.record-form select{padding:10px}.record-form button{padding:10px 16px;font-size:13px}.record-preview{grid-column:1/-1;margin:0}.record-form button.secondary{justify-self:start}.badge{font-size:11px;background:var(--surface);padding:5px 9px;border-radius:6px;color:var(--pink)}#message:not(:empty){background:#f4b8e415;border:1px solid #f4b8e444;color:var(--pink);border-radius:8px;padding:12px 16px;margin-bottom:20px;line-height:1.6}#admin-panel{margin-top:48px;padding-top:20px;border-top:1px solid var(--surface1)}#admin-panel>.row{margin-bottom:16px}#admin-panel .row{flex-wrap:wrap}#admin-panel .row input{min-width:180px}#admin-panel details li{font-size:12px;overflow-wrap:anywhere}#admin-panel details summary{cursor:pointer}.empty{color:var(--muted)}@media(max-width:760px){main{padding:30px 20px 48px}header{align-items:flex-start;margin-bottom:28px}#account{max-width:45%;justify-content:flex-end;font-size:11px}.video{margin-bottom:24px;border-radius:8px}.row{gap:10px}.row button{min-width:100px;padding:15px}.record-form{grid-template-columns:1fr 1fr}.record-form .value{grid-column:1/-1}.records li{flex-wrap:wrap}.record-info{min-width:55%}.card{padding:16px}.policy{font-size:12px}.site-title{font-size:28px}}
#registrants{max-width:900px;margin-top:24px;color:var(--muted);font-size:14px}

.site-title a{color:inherit;text-decoration:none}#account a{font-size:13px}

.record-form{grid-template-columns:repeat(4,minmax(0,1fr))}.record-form .value{grid-column:span 2}.record-form button{align-self:end;justify-self:start}@media(max-width:760px){.record-form{grid-template-columns:1fr 1fr}}