:root{--brand: #3b5bdb;--brand-ink: #fff;--bg: #f4f6fa;--card: #fff;--ink: #1b2430;--muted: #5d6b7e;--line: #dfe4ec;--ok: #2b8a3e;--warn: #e67700;--danger: #d6336c;--radius: 14px;--shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 4px 14px rgba(20, 30, 50, .06);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);-webkit-text-size-adjust:100%}body{font-size:16px;line-height:1.45;min-height:100vh}button,input,textarea,select{font:inherit;color:inherit}h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:1.7rem}h2{font-size:1.3rem}h3{font-size:1.1rem}p{margin:0 0 .7em}a{color:var(--brand)}.muted{color:var(--muted)}.small{font-size:.85rem}.center-screen{min-height:60vh;display:grid;place-items:center}.spinner{width:38px;height:38px;border:4px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page{max-width:720px;margin:0 auto;padding:16px 16px 90px}.page-wide{max-width:1180px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}.card h2:first-child,.card h3:first-child{margin-top:0}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row-between{justify-content:space-between}.grow{flex:1 1 auto;min-width:0}.stack>*+*{margin-top:12px}.grid2{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 18px;border:2px solid transparent;border-radius:12px;background:var(--brand);color:var(--brand-ink);font-weight:650;cursor:pointer;text-decoration:none;transition:filter .15s,transform .05s;-webkit-tap-highlight-color:transparent}.btn:hover{filter:brightness(1.08)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed;filter:none}.btn-block{width:100%}.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}.btn-ghost:hover{background:#3b5bdb0f;filter:none}.btn-danger{background:var(--danger)}.btn-ok{background:var(--ok)}.btn-warn{background:var(--warn)}.btn-light{background:#fff;color:#111}.btn-sm{min-height:36px;padding:0 12px;font-size:.9rem;border-radius:10px}.btn-lg{min-height:58px;font-size:1.15rem}label.field{display:block;font-weight:600;font-size:.92rem}.input,textarea.input,select.input{display:block;width:100%;min-height:48px;margin-top:4px;padding:10px 14px;border:2px solid var(--line);border-radius:12px;background:#fff;font-weight:400}textarea.input{min-height:110px;resize:vertical}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #3b5bdb2e}.input-code{font-size:2rem;letter-spacing:.25em;text-align:center;text-transform:uppercase;font-weight:700}input[type=color]{padding:2px;min-height:48px;width:70px}.alert{display:flex;gap:10px;justify-content:space-between;padding:12px 14px;border-radius:12px;margin:10px 0;font-weight:500}.alert-error{background:#ffe3ec;color:#8a1538;border:1px solid #f7b6c9}.alert-warn{background:#fff3d6;color:#7a4b00;border:1px solid #f3d38d}.alert-ok{background:#dcf5e1;color:#1d6b2d;border:1px solid #a8dfb3}.alert-x{background:none;border:0;font-size:1.3rem;cursor:pointer;line-height:1}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:#1b2430;color:#fff;padding:12px 20px;border-radius:999px;box-shadow:var(--shadow);z-index:60}.conn-banner{position:sticky;top:0;z-index:50;background:var(--warn);color:#fff;text-align:center;padding:8px 12px;font-weight:600;font-size:.9rem}.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:650;white-space:nowrap}.pill-grey{background:#e9edf3;color:#3b4658}.pill-blue{background:#dbe6ff;color:#1f3d99}.pill-green{background:#d8f3de;color:#1d6b2d}.pill-red{background:#ffd9e4;color:#8a1538}.pill-gold{background:#ffefc2;color:#7a5a00}.pill-outline{border:1px solid var(--line);color:var(--muted)}.badge{margin-left:6px;background:var(--danger);color:#fff;border-radius:999px;padding:0 7px;font-size:.75rem}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;background:var(--muted)}.dot-on{background:#2fbf4f;box-shadow:0 0 0 3px #2fbf4f33}.tabs{display:flex;gap:4px;background:#e6eaf1;padding:4px;border-radius:14px;margin-bottom:14px;position:sticky;top:0;z-index:20}.tab{flex:1;min-height:46px;border:0;background:transparent;border-radius:11px;font-weight:650;color:var(--muted);cursor:pointer;padding:0 8px}.tab-on{background:#fff;color:var(--brand);box-shadow:var(--shadow)}.hero{background:linear-gradient(135deg,var(--brand),color-mix(in srgb,var(--brand) 60%,#7c3aed));color:#fff;border-radius:20px;padding:24px 20px;margin-bottom:14px}.hero h1{margin-bottom:.2em}.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:2rem;color:var(--brand)}.timer-urgent{color:var(--danger);animation:pulse 1s infinite}.timer-done{color:var(--muted)}.timer-big{font-size:7rem}@keyframes pulse{50%{opacity:.55}}.choice{display:block;width:100%;text-align:left;min-height:56px;padding:12px 16px;margin-top:10px;background:#fff;border:2px solid var(--line);border-radius:14px;font-weight:600;cursor:pointer}.choice:hover{border-color:var(--brand)}.choice-on{border-color:var(--brand);background:#3b5bdb17}.choice-ok{border-color:var(--ok);background:#e3f6e7}.choice-bad{border-color:var(--danger);background:#ffe8ef}.sent{background:#e3f6e7;border:2px solid #a8dfb3;border-radius:14px;padding:14px;font-weight:600;color:#1d6b2d}.seg{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.seg-item{flex:1 1 30%;min-height:44px;display:grid;place-items:center;text-align:center;border:2px solid var(--line);border-radius:12px;font-size:.9rem;font-weight:600;cursor:pointer;padding:4px 8px;background:#fff}.seg-item input{position:absolute;opacity:0;pointer-events:none}.seg-on{border-color:var(--brand);background:#3b5bdb17;color:var(--brand)}.seg-off{opacity:.45;cursor:not-allowed}fieldset.vis{border:0;padding:0;margin:12px 0 0}fieldset.vis legend{font-weight:600;font-size:.92rem;padding:0}.share{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:10px}.share-hidden{opacity:.6;border-style:dashed}.share-head{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:6px}.share-time{margin-left:auto}.share-text{white-space:pre-wrap;word-break:break-word;margin:0 0 8px}.share-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.img-btn{display:block;border:0;padding:0;background:none;cursor:zoom-in;width:100%}.img-btn img{max-width:100%;max-height:360px;border-radius:10px;display:block;margin:0 auto 6px;background:#eef1f6}.lightbox{position:fixed;inset:0;background:#000000e0;display:grid;place-items:center;z-index:80;padding:16px}.lightbox img{max-width:100%;max-height:88vh;border-radius:8px}.lightbox-x{position:absolute;top:14px;right:14px}.preview{max-width:100%;max-height:220px;border-radius:10px;margin-top:8px;display:block}.link{word-break:break-all;font-weight:600}.lb{list-style:none;margin:0;padding:0}.lb-row{display:grid;grid-template-columns:2.4em 1fr minmax(40px,30%) 3em;align-items:center;gap:8px;padding:9px 10px;border-radius:12px}.lb-row+.lb-row{margin-top:4px}.lb-me{background:#3b5bdb1a;font-weight:700}.lb-rank{font-weight:800;color:var(--muted)}.lb-top1 .lb-rank{color:#d4a017}.lb-top2 .lb-rank{color:#8a95a5}.lb-top3 .lb-rank{color:#b0703a}.lb-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-bar{background:#e9edf3;height:10px;border-radius:99px;overflow:hidden}.lb-bar span{display:block;height:100%;background:var(--brand);border-radius:99px;transition:width .6s}.lb-pts{text-align:right;font-weight:800;font-variant-numeric:tabular-nums}.lb-big .lb-row{font-size:clamp(18px,3.4vh,34px);padding:1vh 1.2vw;grid-template-columns:2.2em 1fr minmax(40px,18%) 2.6em}.lb-big .lb-bar{height:2.2vh}.lb-big .lb-name small{display:none}.empty{text-align:center;color:var(--muted);padding:22px 12px;border:2px dashed var(--line);border-radius:14px}.notice{font-size:.88rem;color:var(--muted);text-align:center;margin-top:10px}.brandbar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.brandname{font-weight:800;color:var(--brand)}.teamchip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-weight:650;font-size:.9rem}.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.topbar-in{max-width:1180px;margin:0 auto;padding:10px 16px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.codebox{font-size:1.4rem;font-weight:800;letter-spacing:.18em;background:#eef1f9;border-radius:10px;padding:2px 12px}.next{border-left:6px solid var(--brand)}.chal{border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px;background:#fff}.chal-active{border-color:var(--ok);box-shadow:0 0 0 3px #2b8a3e26}.chal-closed{opacity:.85;background:#f7f8fb}.members{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.member{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:8px 10px;background:#fff}.qr{width:100%;max-width:240px;background:#fff;padding:8px;border-radius:12px}table.t{width:100%;border-collapse:collapse;font-size:.92rem}table.t th,table.t td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}.points-in{width:80px;min-height:40px;display:inline-block;margin:0}.present{min-height:100vh;background:#0b1226;color:#fff;display:flex;flex-direction:column;padding:3vh 4vw;font-size:clamp(18px,2.2vw,34px)}.present h1{font-size:clamp(32px,5vw,76px);margin:0 0 .3em}.present .pbrand{color:#9db4ff;font-weight:800;letter-spacing:.04em}.present-join{display:grid;grid-template-columns:auto 1fr;gap:5vw;align-items:center;margin:auto}.present-join .qrbox{background:#fff;padding:1.6vw;border-radius:24px}.present-join .qrbox img{display:block;width:min(42vh,36vw);height:min(42vh,36vw)}.bigcode{font-size:clamp(48px,9vw,150px);font-weight:900;letter-spacing:.15em;color:#ffd43b;line-height:1}.present .timer{color:#ffd43b}.present .timer-urgent{color:#ff6b8b}.pdesc{font-size:clamp(22px,2.8vw,46px);white-space:pre-wrap;max-width:28em}.popt{display:flex;gap:1.2vw;align-items:center;background:#ffffff14;border-radius:18px;padding:1.2vh 1.6vw;margin-top:1.4vh;font-size:clamp(22px,2.6vw,44px);position:relative;overflow:hidden}.popt-ok{background:#2fbf4f59;outline:3px solid #2fbf4f}.popt .fill{position:absolute;inset:0 auto 0 0;background:#ffffff21}.popt>*{position:relative}.pgal{display:grid;gap:2vw;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));margin-top:2vh}.present .share{background:#ffffff14;border-color:#ffffff26;color:#fff;font-size:clamp(18px,2vw,32px)}.present .share .img-btn img{max-height:55vh;cursor:default}.present .share-actions{display:none}.present .pill{font-size:.6em}.present .lb-row{color:#fff}.present .lb-bar{background:#ffffff26}.present .lb-rank{color:#9db4ff}.present .empty{color:#9db4ff;border-color:#ffffff40}.pfoot{margin-top:auto;padding-top:2vh;display:flex;justify-content:space-between;opacity:.75;font-size:.6em}.pwarn{background:#ffb703;color:#3b2a00;font-weight:700;padding:1.2vh 1.6vw;border-radius:14px;margin-bottom:2vh}@media(max-width:800px){.present-join{grid-template-columns:1fr}.timer-big{font-size:4rem}}.avatar{display:inline-block;font-size:1.15em;line-height:1;margin-right:.35em;vertical-align:-.1em}.avatar-big{font-size:2.4rem;margin:0}.brandmark{display:inline-flex;align-items:center;gap:10px;min-width:0}.brandmark img{max-width:160px;object-fit:contain;border-radius:6px;display:block}.present .brandmark img{max-width:28vw;background:#fff;padding:.6vh .8vw;border-radius:10px}.logo-preview{height:44px;max-width:140px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px;padding:3px}.hero .brandmark img{background:#fff;padding:4px 8px;border-radius:8px;max-height:48px}.hero-brand{margin-bottom:8px}.stepper{display:inline-flex;align-items:center;gap:6px}.stepper .btn{min-width:48px;padding:0;font-size:1.4rem}.stepper .input{width:76px;margin:0;text-align:center;font-size:1.2rem;font-weight:700}.timebar{height:10px;background:#e3e8f0;border-radius:99px;overflow:hidden;margin:8px 0 12px}.timebar span{display:block;height:100%;background:var(--brand);border-radius:99px;transition:width .2s linear}.timebar .timebar-low{background:var(--danger)}.qopt{display:flex;align-items:center;gap:12px;width:100%;min-height:64px;margin-top:10px;padding:12px 16px;border:0;border-radius:14px;color:#fff;font-weight:700;font-size:1.05rem;text-align:left;cursor:pointer;box-shadow:0 3px #0003}.qopt:active{transform:translateY(2px);box-shadow:0 1px #0003}.qopt .shape{font-size:1.4rem;width:1.6em;text-align:center;flex:none}.qopt-dim{opacity:.35;box-shadow:none;cursor:default}.qopt-mine{outline:4px solid var(--ink);outline-offset:2px}.qopt-ok{outline:4px solid #2fbf4f;outline-offset:2px}.qopt[disabled]{cursor:default}.qhead{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}.qtext{font-size:1.35rem;font-weight:700;margin:8px 0}.result-ok{background:#e3f6e7;color:#1d6b2d}.result-bad{background:#ffe8ef;color:#8a1538}.result-wait{background:#eef1f9;color:var(--ink)}.result{border-radius:14px;padding:14px;font-weight:700;margin-top:12px}.qcard{border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:12px;background:#fafbfd}.qcard-head{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:8px}.chk{display:flex;align-items:center;gap:10px;min-height:44px;font-weight:600;cursor:pointer}.chk input{width:22px;height:22px}.avatars{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:6px}.avatars button{font-size:1.7rem;min-height:52px;border:2px solid var(--line);background:#fff;border-radius:12px;cursor:pointer}.avatars button[aria-pressed=true]{border-color:var(--brand);background:#3b5bdb1a}.codeblock{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:10px 12px;font-family:ui-monospace,Menlo,monospace;font-size:.82rem;white-space:pre-wrap;word-break:break-all;position:relative}.present .popt .shape{font-size:1.2em;width:1.5em;text-align:center}.present .topplayers{margin-top:2vh}.present .topplayers .lb-row{font-size:clamp(18px,2.6vh,30px)}.present .brandname{color:#9db4ff;font-size:clamp(22px,3vw,44px)}