:root{color-scheme:light;--bg:#f8faf9;--surface:#fff;--ink:#172d29;--muted:#526760;--line:#dce5e1;--accent:#146c54;--soft:#e9f4ee;--danger:#97372b;--radius:10px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55}a{color:var(--accent);text-underline-offset:3px}button,input{font:inherit}button{cursor:pointer;white-space:nowrap}button:disabled{cursor:not-allowed;opacity:.55}button,a,input{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #25755d;outline-offset:4px}button:active:not(:disabled){transform:translateY(1px)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,3.2vw,42px);font-weight:650;line-height:1.2;letter-spacing:-1.3px;margin-bottom:12px}h2{font-size:23px;line-height:1.35;font-weight:620;margin-bottom:10px}h3{font-size:17px;line-height:1.4;font-weight:600;margin-bottom:9px}.topbar{height:88px;border-bottom:1px solid var(--line);background:var(--surface);padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;color:var(--ink);font-size:21px;font-weight:650;letter-spacing:-.5px}.brand-mark{width:39px;height:39px;display:grid;place-items:center;background:var(--accent);color:white;border-radius:var(--radius);font-size:24px}.header-actions{display:flex;align-items:center;gap:24px}.quiet{border:1px solid var(--line);background:white;padding:8px 13px;border-radius:7px;color:var(--ink);font-size:13px;min-height:38px}.workspace{max-width:1460px;margin:auto;display:grid;grid-template-columns:218px minmax(0,1fr);min-height:calc(100vh - 156px)}.sidebar{padding:38px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;color:var(--muted);margin-bottom:13px}.sidebar nav{display:grid;gap:7px}.nav-link{display:flex;gap:12px;align-items:center;padding:11px 12px;text-decoration:none;color:var(--muted);font-size:14px;border-radius:8px}.nav-link.active{background:var(--soft);color:var(--accent);font-weight:600}.nav-num{font-size:11px;font-variant-numeric:tabular-nums;opacity:.75}main{padding:39px 44px 65px;min-width:0}.page-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.round-stamp{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:13px 19px;white-space:nowrap;min-width:124px}.round-stamp strong{display:block;font-size:16px}.round-stamp span{font-size:11px;color:var(--muted)}.rounds{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;margin:3px 0 29px;padding:0;border-bottom:1px solid var(--line)}.rounds li{display:flex;align-items:center;gap:10px;padding:0 0 15px;font-size:12px;color:var(--muted);position:relative}.rounds li.current{color:var(--accent);font-weight:600}.rounds li.current:after{position:absolute;content:"";bottom:-1px;left:0;right:24px;height:2px;background:var(--accent)}.step-num{height:24px;width:24px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:11px;background:white}.current .step-num,.complete .step-num{background:var(--accent);color:white;border-color:var(--accent)}.rounds small{display:block;font-weight:400;font-size:10px}.notice{padding:12px 15px;background:var(--soft);border:1px solid #b8d6c7;border-radius:8px;margin-bottom:20px;font-size:14px}.notice.error{color:var(--danger);border-color:#e4b8b0;background:#fff5f2}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.panel p{font-size:14px;color:var(--muted)}.consent-panel{max-width:830px}.study-title{font-size:16px!important;color:var(--ink)!important;line-height:1.65}.consent-panel .eyebrow{font-size:10px}.consent-panel .actions{margin-top:25px}.privacy-note{padding:15px 0 0;border-top:1px solid var(--line);font-size:12px!important;margin-top:23px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.primary,.secondary,.danger{min-height:44px;padding:10px 19px;border-radius:8px;font-size:14px;font-weight:600;line-height:1.5}.primary{background:var(--accent);color:white;border:1px solid var(--accent)}.secondary{background:white;border:1px solid #bdccc5;color:var(--ink)}.danger{background:var(--danger);color:white;border:1px solid var(--danger)}.link-button{border:0;background:none;color:var(--accent);padding:0;text-decoration:underline;text-underline-offset:3px;font-size:13px;min-height:40px}.vote-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:25px;align-items:start}.perspectives{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:23px;padding-bottom:12px;flex-wrap:wrap}.perspective-button{border:0;color:var(--muted);background:transparent;border-radius:7px;font-size:12px;min-height:42px;padding:9px 10px}.perspective-button.active{color:var(--accent);background:var(--soft);font-weight:600}.question-title{font-size:20px;letter-spacing:-.4px;max-width:730px}.helper{font-size:12px;color:var(--muted);margin-bottom:21px}.rating-row{padding:19px 0;border:0;border-bottom:1px solid var(--line);margin:0;min-width:0}.rating-row legend{float:left;width:100%;padding:0;font-size:15px;font-weight:550;margin-bottom:11px;display:flex;gap:9px;align-items:center}.topic-num{font-size:11px;color:var(--muted);font-weight:400}.rating-options{clear:both;display:flex;gap:7px;align-items:center}.rating-option{position:relative;display:block;min-width:46px;height:42px;cursor:pointer}.rating-option input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}.rating-option span{display:flex;width:100%;height:100%;align-items:center;justify-content:center;border:1px solid #c8d6ce;border-radius:7px;font-size:14px;font-variant-numeric:tabular-nums;background:white;color:var(--muted)}.rating-option input:checked+span{background:var(--accent);border-color:var(--accent);color:white;font-weight:650}.rating-option input:focus-visible+span{outline:3px solid var(--accent);outline-offset:3px}.rating-option input:disabled{cursor:not-allowed}.rating-option:has(input:disabled){opacity:.65;cursor:not-allowed}.vote-nav{display:flex;justify-content:space-between;gap:15px;padding-top:23px;align-items:center}.vote-nav span{font-size:12px;color:var(--muted)}.ballot-summary{position:sticky;top:24px;padding:21px}.summary-count{font-size:31px;color:var(--ink);font-weight:600;letter-spacing:-1px}.summary-count small{font-size:15px;font-weight:400;color:var(--muted);letter-spacing:0}.ballot-summary progress{width:100%;height:5px;display:block;margin:11px 0 12px;accent-color:var(--accent)}progress::-webkit-progress-bar{background:var(--line);border-radius:3px}progress::-webkit-progress-value{background:var(--accent);border-radius:3px}.ballot-summary .primary{width:100%;margin-top:15px}.ballot-summary .helper{font-size:11px;margin-bottom:15px;line-height:1.65}.divider{border-top:1px solid var(--line);margin:22px 0 18px}.mini-rank{list-style:none;padding:0;margin:10px 0}.mini-rank li{display:flex;gap:8px;font-size:12px;margin:9px 0;align-items:center}.mini-rank li .rank-number{color:var(--accent);font-size:11px}.mini-rank li strong{margin-left:auto;font-size:11px;font-weight:500;font-variant-numeric:tabular-nums}.save-state{font-size:10px!important}.result-top{display:flex;gap:35px;margin-bottom:28px;flex-wrap:wrap}.stat strong{display:block;font-size:30px;font-weight:550;line-height:1.2;font-variant-numeric:tabular-nums}.stat span{display:block;font-size:11px;color:var(--muted);margin-top:7px}.results-header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.results-header select{font:inherit;font-size:13px;padding:8px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink)}.ranking-list{list-style:none;padding:0;margin:0}.ranking-row{display:grid;grid-template-columns:33px minmax(0,1fr) 160px 60px;align-items:center;gap:17px;border-top:1px solid var(--line);padding:21px 0}.ranking-row .rank-number{font-size:13px;font-variant-numeric:tabular-nums;color:var(--muted)}.ranking-row .topic-title{font-size:16px;font-weight:550}.ranking-row small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.ranking-row meter{width:100%;height:8px;accent-color:var(--accent)}meter::-webkit-meter-bar{background:var(--line);border:0;border-radius:4px}meter::-webkit-meter-optimum-value{background:var(--accent)}.ranking-score{font-variant-numeric:tabular-nums;font-size:16px;text-align:right;color:var(--accent)}.tag{display:inline-block;font-size:10px;color:var(--accent);background:var(--soft);border:1px solid #cfe3d7;border-radius:5px;padding:3px 7px;margin-left:9px;vertical-align:middle}.empty{padding:42px 20px;text-align:center;border:1px dashed #bccfc3;border-radius:var(--radius);background:white}.empty strong{font-size:17px;display:block;margin-bottom:8px}.empty p{max-width:530px;margin:0 auto;font-size:13px;color:var(--muted)}details{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}summary{cursor:pointer;color:var(--accent);font-size:13px;font-weight:550}.table-scroll{overflow-x:auto;margin-top:17px}table{border-collapse:collapse;width:100%;font-size:12px;white-space:nowrap}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}th{font-weight:550;color:var(--muted)}td span{font-size:10px;color:var(--muted);display:block}.method{max-width:860px}.method p,.method li{font-size:14px;color:var(--muted)}.method section{margin:0 0 27px}.method ol{padding-left:22px}.formula{display:block;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--soft);padding:12px 15px;border-radius:7px;color:var(--ink);font-size:13px;margin:12px 0;overflow-x:auto}.receipt{max-width:780px}.receipt .receipt-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--soft);color:var(--accent);font-size:21px;border-radius:50%;margin-bottom:17px}.receipt .actions{margin-top:20px}.final-list{display:grid;gap:12px;margin:22px 0}.final-topic{border:1px solid var(--line);background:white;padding:19px 23px;border-radius:var(--radius);display:flex;gap:17px;align-items:center}.final-topic span{font-size:12px;color:var(--accent)}.final-topic strong{font-size:18px;font-weight:550}.host-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.host-panel{margin-bottom:20px}.host-panel label{font-size:13px;display:block;margin-bottom:6px}.host-panel input[type=password],.host-panel input[type=number]{width:100%;border:1px solid #b7c7bf;border-radius:7px;padding:10px 12px;color:var(--ink);background:white;min-height:44px}.login{max-width:500px}.login input{margin-bottom:20px}.weights{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:17px 0}.weights label{font-size:11px}.tie-list{display:grid;gap:8px;margin:18px 0}.tie-item{display:flex!important;align-items:center;gap:10px;padding:10px;border:1px solid var(--line);border-radius:7px;font-size:13px!important}.tie-item input{height:18px;width:18px;accent-color:var(--accent)}.tie-item .tag{margin-left:auto}.host-panel .actions{margin-top:20px}.host-panel .actions a{font-size:13px}.share-url{display:block;background:var(--bg);border:1px solid var(--line);padding:10px;font-size:12px;overflow-wrap:anywhere;border-radius:7px;color:var(--ink);margin-top:14px}.muted{color:var(--muted)}.small{font-size:12px!important}footer{border-top:1px solid var(--line);padding:20px 40px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);background:white}.loading{font-size:14px;color:var(--muted)}[hidden]{display:none!important}
@media(min-width:1400px){main{padding-left:58px;padding-right:58px}.vote-layout{gap:35px}}
@media(max-width:1100px){.workspace{grid-template-columns:180px 1fr}.sidebar{padding:32px 15px}main{padding:32px 28px 50px}.vote-layout{grid-template-columns:minmax(0,1fr) 220px;gap:20px}.rating-option{min-width:42px}.ranking-row{grid-template-columns:26px minmax(0,1fr) 110px 54px;gap:12px}.host-grid{grid-template-columns:1fr}.host-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}}
@media(max-width:900px){.vote-layout{grid-template-columns:1fr}.ballot-summary{position:static}.ballot-summary .primary{max-width:300px}.mini-rank{max-width:500px}.rating-row legend{margin-bottom:12px}.rating-options{max-width:420px}.workspace{grid-template-columns:160px 1fr}.nav-link{font-size:12px;padding:10px 8px;gap:8px}.page-heading{gap:12px}.round-stamp{padding:12px;min-width:102px}}
@media(max-width:650px){.topbar{height:75px;padding:0 20px}.brand{font-size:18px;gap:9px}.brand-mark{width:34px;height:34px;font-size:21px}.header-actions{gap:12px}.workspace{display:block}.sidebar{padding:10px 13px;border-right:0;border-bottom:1px solid var(--line);background:white}.sidebar>.eyebrow{display:none}.sidebar nav{display:flex;gap:3px;justify-content:space-between}.nav-link{font-size:11px;padding:8px 10px;gap:5px}.nav-num{display:none}main{padding:27px 20px 45px}.page-heading{display:block;position:relative}.page-heading .eyebrow{font-size:8px;letter-spacing:1.4px;padding-right:85px}.round-stamp{position:absolute;top:-6px;right:0;border:0;background:transparent;padding:0;min-width:0;text-align:right}.round-stamp strong{font-size:11px}.round-stamp span{font-size:9px}h1{font-size:29px;letter-spacing:-.8px;margin-top:18px}.rounds{margin-bottom:23px}.rounds li{gap:7px;font-size:10px}.rounds small{font-size:9px}.step-num{height:21px;width:21px}.rounds li.current:after{right:10px}.panel{padding:21px}.study-title{font-size:14px!important}.consent-panel p{font-size:13px}.actions{gap:9px}.primary,.secondary,.danger{font-size:13px;padding:10px 15px}.perspectives{gap:4px}.perspective-button{font-size:10px;min-height:44px;padding:9px 8px}.question-title{font-size:19px}.helper{font-size:11px}.rating-row{padding:18px 0}.rating-row legend{font-size:14px}.rating-options{gap:7px;max-width:none}.rating-option{min-width:40px;height:44px;flex:1}.rating-option span{font-size:15px}.rating-row legend{line-height:1.5}.vote-nav{align-items:center}.vote-nav span{font-size:10px}.ranking-row{grid-template-columns:22px minmax(0,1fr) 48px;gap:10px;padding:18px 0}.ranking-row meter{display:none}.ranking-row .topic-title{font-size:14px}.ranking-score{font-size:14px}.ranking-row small{font-size:10px}.result-top{gap:25px}.stat strong{font-size:27px}.stat span{font-size:10px}.results-header{align-items:flex-start}.results-header h2{font-size:21px}.results-header select{max-width:136px;font-size:11px;padding:7px}.tag{font-size:9px;margin-left:5px}.host-aside{display:block}.weights{gap:8px}.weights label{font-size:10px}.method p,.method li{font-size:13px}footer{padding:18px 20px;gap:12px;flex-wrap:wrap;font-size:10px}.final-topic strong{font-size:16px}}
@media(prefers-reduced-motion:no-preference){button,.rating-option span,.nav-link{transition:background-color .15s,border-color .15s,color .15s}button:hover:not(:disabled),.nav-link:hover{filter:brightness(.96)}}
.round-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.round-tab{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:104px;padding:9px 12px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);text-align:left}.round-tab[aria-pressed=true]{border-color:var(--accent);background:var(--soft);color:var(--accent)}.round-tab span{font-size:13px;font-weight:600}.round-tab small{font-size:11px;color:var(--muted)}.round-archive{max-width:100%}@media(max-width:650px){.round-tabs{gap:6px}.round-tab{flex:1;min-width:0;align-items:center;padding:8px 6px}.round-tab span{font-size:12px}.round-tab small{font-size:10px}}

/* Each question carries its own complete Likert labels. */
.rating-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-width:none;align-items:stretch}
.rating-option{min-width:0;height:104px}
.rating-option span{flex-direction:column;gap:8px;padding:11px 6px;text-align:center}
.rating-number{font-size:18px;line-height:1.2}
.rating-description{font-size:12px;line-height:1.45;white-space:normal;font-weight:400}
.clear-rating{font-size:11px;margin-top:5px;min-height:36px}
@media(max-width:650px){
 .rating-options{grid-template-columns:1fr;gap:6px}
 .rating-option{height:48px}
 .rating-option span{flex-direction:row;justify-content:flex-start;gap:15px;padding:8px 14px;text-align:left}
 .rating-number{width:18px;font-size:16px;flex-shrink:0}
 .rating-description{font-size:13px}
}