:root{
  --navy:#0d2b45;--navy2:#173f5f;--blue:#126a9b;--teal:#0b7c83;--green:#198754;
  --amber:#b46a00;--red:#b42318;--bg:#f4f7fa;--card:#fff;--line:#d8e1e8;
  --text:#163047;--muted:#607386;--shadow:0 14px 36px rgba(20,48,72,.08);
}
*{box-sizing:border-box}html{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#f8fafc 0,#f3f7fa 100%)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.wrap{max-width:980px;margin:auto;padding:18px}.top{padding:16px 2px 18px}.eyebrow{color:var(--teal);font-size:.79rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.title{font-size:clamp(1.72rem,5vw,2.72rem);line-height:1.06;margin:.42rem 0;color:var(--navy);letter-spacing:-.025em}.subtitle{margin:.4rem 0 0;max-width:760px}.muted{color:var(--muted)}.panel{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}.stack{display:grid;gap:12px}.state-card{text-align:center;padding:36px 22px}.state-icon{font-size:2.4rem;margin-bottom:8px}.state-card h1,.state-card h2{margin:.25rem 0 .6rem}.state-label{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 12px;background:#eaf0f5;color:var(--navy);font-weight:850;font-size:.83rem}.state-dot{width:9px;height:9px;border-radius:50%;background:var(--muted)}.state-label.open{background:#e8f6ef;color:#0f6c42}.state-label.open .state-dot{background:var(--green);box-shadow:0 0 0 5px rgba(25,135,84,.12)}.state-label.closed{background:#fff5e8;color:#8c5200}.state-label.closed .state-dot{background:var(--amber)}.state-label.revealed{background:#fceceb;color:#8e2018}.state-label.revealed .state-dot{background:var(--red)}
.task-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.task-head h2{margin:.2rem 0;font-size:clamp(1.25rem,4vw,1.65rem);line-height:1.18}.selection-counter{white-space:nowrap;border-radius:999px;background:#eef5f8;padding:8px 12px;font-weight:800;color:var(--navy);font-size:.86rem}.statement{display:flex;gap:12px;align-items:flex-start;padding:14px;border:2px solid var(--line);border-radius:15px;background:#fff;cursor:pointer;min-height:60px;transition:border-color .14s,background .14s,transform .14s}.statement:hover{border-color:#b7cad7}.statement:focus-within{outline:3px solid rgba(18,106,155,.18);outline-offset:2px}.statement input{width:23px;height:23px;flex:0 0 auto;margin:2px 0 0;accent-color:var(--blue)}.statement:has(input:checked){border-color:var(--blue);background:#eef7fc}.statement.none{margin-top:14px;border-style:dashed}.statement.none:has(input:checked){border-color:var(--teal);background:#edf8f6}.statement-text{line-height:1.43}.n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#eaf0f5;font-weight:850;flex:0 0 auto;color:var(--navy)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;align-items:center}.actions.sticky{position:sticky;bottom:0;background:linear-gradient(180deg,rgba(255,255,255,0),#fff 24%);padding-top:26px;padding-bottom:4px;z-index:5}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 18px;min-height:48px;cursor:pointer;font-weight:850;text-decoration:none;transition:transform .08s,opacity .12s,box-shadow .12s}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--navy);color:#fff;box-shadow:0 6px 16px rgba(13,43,69,.16)}.btn.secondary{background:#eaf0f5;color:var(--navy)}.btn.danger{background:var(--red);color:#fff}.btn.outline{background:#fff;border:1px solid var(--line);color:var(--navy)}.btn:disabled{opacity:.48;cursor:not-allowed;transform:none}.notice{padding:14px 16px;border-radius:14px;background:#edf7f7;border:1px solid #cbe6e6;line-height:1.45}.notice.success{background:#edf8f1;border-color:#cce8d5}.notice.warn{background:#fff7e9;border-color:#efd7aa}.notice.error{background:#fff0ef;border-color:#f6c7c3;color:#6d1a14}.notice.compact{padding:10px 12px;margin-top:10px}.network{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;color:var(--muted)}.network::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}.network.offline::before{background:var(--red)}.hidden{display:none!important}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}.metric span{display:block;color:var(--muted);font-size:.84rem;line-height:1.2}.metric b{display:block;font-size:clamp(1.55rem,4vw,2.15rem);color:var(--navy);margin-top:4px}.feedback{border-left:5px solid var(--teal);padding:13px 14px;background:#fff;border-radius:11px;margin:10px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.feedback.bad{border-left-color:var(--red)}.feedback.good{border-left-color:var(--green)}.feedback .source{margin-top:6px;font-size:.86rem;color:var(--muted)}
.presenter{max-width:1500px;padding:24px 34px}.presenter .title{font-size:clamp(2.2rem,4vw,4.1rem);max-width:1250px}.presenter .panel{padding:30px;min-height:640px}.presenter-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:34px;align-items:center;height:100%}.presenter h2{font-size:clamp(2rem,3.2vw,3.2rem);line-height:1.08;margin:.45rem 0}.presenter-url{font-size:clamp(1.45rem,2.2vw,2.2rem);font-weight:900;color:var(--navy);margin-top:18px}.qr{width:100%;max-width:330px;background:#fff;padding:13px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.presenter-count{display:grid;grid-template-columns:repeat(2,minmax(0,250px));gap:14px;margin:28px 0}.presenter-count .metric{padding:20px}.presenter-count .metric b{font-size:3rem}.timer.warn b{color:var(--amber)}.bar-list{margin-top:18px}.bar-row{display:grid;grid-template-columns:42px 1fr 64px;align-items:center;gap:12px;margin:10px 0}.bar-row .label{font-size:1.05rem;font-weight:900;text-align:center}.bar{height:22px;border-radius:999px;background:#e8eef3;overflow:hidden}.bar>span{display:block;height:100%;background:var(--blue);border-radius:999px;min-width:0;transition:width .3s ease}.bar.correct>span{background:var(--red)}.bar.zero>span{background:var(--muted)}.bar-pct{font-weight:850;text-align:right}.presenter-login{max-width:520px;margin:10vh auto}.presenter-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;color:var(--muted);font-size:.86rem}
.form{display:grid;gap:12px}.field{display:grid;gap:6px}.field label{font-weight:750}.input{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--text);min-height:46px}.input:focus{outline:3px solid rgba(18,106,155,.15);border-color:var(--blue)}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.admin-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.admin-info{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}.info-card{border:1px solid var(--line);border-radius:14px;padding:13px;background:#fbfdfe}.info-card span{display:block;color:var(--muted);font-size:.8rem}.info-card b{display:block;margin-top:4px;word-break:break-word}.status{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:8px 12px;background:#eaf0f5;font-weight:850}.danger-zone{margin-top:26px;border-top:1px solid var(--line);padding-top:18px}.confirm-box{margin-top:14px}.small{font-size:.84rem}.kbd{display:inline-block;padding:2px 6px;border-radius:6px;background:#eaf0f5;font:700 .82rem ui-monospace,SFMono-Regular,Menlo,monospace}
@media(max-width:900px){.presenter-grid{grid-template-columns:1fr 260px}.admin-info{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.metrics{grid-template-columns:1fr 1fr}.wrap{padding:12px}.panel{padding:16px}.statement{padding:12px}.title{font-size:1.85rem}.task-head{display:block}.selection-counter{display:inline-flex;margin-top:9px}.actions.sticky{margin-left:-4px;margin-right:-4px}.presenter{padding:12px}.presenter-grid{grid-template-columns:1fr}.presenter .panel{min-height:auto}.qr{max-width:260px;margin:auto}.presenter-count{grid-template-columns:1fr 1fr}.admin-info{grid-template-columns:1fr}}
@media(max-width:430px){.metrics{grid-template-columns:1fr}.statement{gap:9px}.statement-text{font-size:.95rem}.n{width:28px;height:28px}.bar-row{grid-template-columns:30px 1fr 48px}.btn{width:100%}.actions{display:grid}.presenter-count{grid-template-columns:1fr}.top{padding-top:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* v0.2.2 — full task condition */
.task-context{
  margin:.65rem 0 .8rem;
  padding:14px 16px;
  border-left:4px solid var(--teal);
  background:#f1f8f8;
  border-radius:0 12px 12px 0;
  line-height:1.48;
  color:var(--text);
}
.task-situation{
  margin-top:8px;
  font-weight:750;
  color:var(--navy);
}