:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#272d27;background:#f5f3ec;font-synthesis:none;--ink:#26342c;--muted:#778076;--line:#dce0d4;--green:#325c44;--soft:#e9eee3;--yellow:#e4c467;--radius:20px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b89130;outline-offset:3px}button{transition:background .15s,border-color .15s,transform .15s}a{color:inherit}.site-header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;padding:0 max(30px,calc((100vw - 1240px)/2))}.brand{display:flex;align-items:center;gap:9px;font-size:22px;font-weight:700;letter-spacing:-.8px;text-decoration:none;white-space:nowrap}.brand span{font-size:9px;letter-spacing:1.8px;font-weight:600;align-self:center;border-left:1px solid #bac4b8;margin-left:8px;padding-left:15px}.header-note{margin-left:auto;color:var(--muted);font-size:12px}.site-header>.quiet{margin-left:auto}.site-header>.header-note:not([hidden])+.quiet{margin-left:0}main{max-width:1240px;margin:auto;padding:48px 30px 0}h1,h2,p{margin-top:0}h1{font-size:36px;letter-spacing:-1.3px;line-height:1.32;margin:12px 0 14px;font-weight:620}h2{font-size:23px;letter-spacing:-.65px;font-weight:620;margin-bottom:14px}p{line-height:1.8}label{font-size:13px;font-weight:550;display:block;margin-bottom:10px}.eyebrow{font-size:10px;letter-spacing:2.1px;color:#6c776a;font-weight:650}.muted,.field-note,.footnote{color:var(--muted)}.field-note{font-size:12px;line-height:1.7;margin:10px 0 20px}.footnote{font-size:11px;line-height:1.8;margin:24px 0 0}input:not([type=range]):not([type=checkbox]):not([type=radio]),select{border:1px solid #cbd3c5;background:#fffefa;color:var(--ink);border-radius:10px;width:100%;min-height:46px;padding:11px 13px;outline-offset:2px}input::placeholder{color:#9a9f94}.primary,.secondary,.quiet,.transport{display:inline-flex;align-items:center;justify-content:center;gap:18px;border-radius:10px;min-height:44px;padding:11px 18px;font-size:13px;font-weight:550}.primary{background:var(--ink);border:1px solid var(--ink);color:#fffdf7}.primary:hover:enabled{background:#406047}.secondary{border:1px solid #cfd6c9;background:#fbfcf7;color:var(--ink)}.secondary:hover:enabled{background:#e9eee3}.quiet{background:transparent;border:0;color:#5c6b5e;padding:8px 4px;min-height:36px;font-size:12px}.quiet:hover:enabled{color:#1d3d27;text-decoration:underline}.card{background:#fffefa;border:1px solid var(--line);border-radius:var(--radius);padding:30px}.pill{white-space:nowrap;display:inline-flex;border:1px solid #c9d4c2;color:#57714c;padding:7px 11px;border-radius:100px;font-size:11px;background:#f4f7ee}.entrance{min-height:620px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:100px;max-width:1000px;margin:auto}.entrance-copy h1{font-size:61px;letter-spacing:-2.4px;font-weight:580;line-height:1.15;margin:24px 0}.entrance-copy p{color:#77816f;font-size:16px;line-height:1.9;margin:28px 0}.login-card{padding:40px;box-shadow:0 15px 60px #2e452408}.login-card h2{font-size:28px;margin-top:18px}.login-card p.muted{font-size:14px;margin-bottom:30px}.login-card form .primary{width:100%;justify-content:space-between;margin-top:20px}.sound-mark{display:flex;align-items:center;gap:8px;height:75px;margin-top:35px}.sound-mark i{display:block;background:#b5c0a2;width:5px;border-radius:5px;height:20px}.sound-mark i:nth-child(3n){height:60px;background:#d6ba60}.sound-mark i:nth-child(4n){height:38px}.sound-mark i:nth-child(5n){height:70px}.intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:32px}.intro p{color:var(--muted);font-size:14px;margin-bottom:0}.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start;max-width:1100px;margin-top:38px}.setup-grid .card{padding:32px}.setup-grid .primary{width:100%;justify-content:space-between;margin-top:14px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.instructions{padding:14px 0}.instructions ol{list-style:none;counter-reset:steps;padding:10px 0;margin:18px 0}.instructions li{counter-increment:steps;position:relative;padding-left:42px;margin:0 0 25px}.instructions li:before{content:"0" counter(steps);font-size:11px;color:#8c957b;position:absolute;left:0;top:4px}.instructions strong{font-size:15px;font-weight:580}.instructions p{font-size:13px;color:var(--muted);line-height:1.85;margin:8px 0}.note{padding:17px 19px;background:#e9eddf;color:#64705a;border-radius:12px;font-size:12px;line-height:1.8}.notice{padding:18px 22px;border:1px solid #c9d7bd;border-radius:12px;background:#edf3e7;font-size:13px;line-height:1.9;margin:20px 0;color:#446139}.notice strong{font-weight:620}.notice.warning{background:#fff0cf;color:#805f20;border-color:#eed395}.error{color:#a44532;font-size:12px;line-height:1.7;margin:12px 0 0;min-height:0}.error:empty{display:none}.loading{padding:140px 0;text-align:center;color:var(--muted)}.session-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.session-heading h1{font-size:32px;margin:9px 0 7px}.session-heading p{font-size:12px;color:var(--muted);margin-bottom:0}.progress-panel{margin-bottom:28px}.progress-panel>div:first-child{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.progress-panel strong{font-size:12px;font-weight:550}.progress-panel span{font-size:11px;color:var(--muted)}progress{width:100%;height:4px;border:0;border-radius:4px;overflow:hidden;display:block;background:#dce2d2}progress::-webkit-progress-bar{background:#dce2d2}progress::-webkit-progress-value{background:#637952}progress::-moz-progress-bar{background:#637952}.pair-navigation{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.pair-navigation button{min-width:30px;height:28px;border-radius:6px;border:1px solid #d9decf;background:transparent;color:#8d9785;font-size:11px}.pair-navigation button.done{background:#e0e8d6;color:#526e41;border-color:#d4dfc7}.pair-navigation button.current{border-color:#4a6040;color:#2e422c;background:#fdfdf8;font-weight:700}.listening-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(325px,1fr);gap:24px;align-items:start}.card-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.card-title h2{font-size:25px;margin:9px 0 0}.listening-card{padding:30px}.reference-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.reference-button{display:flex;align-items:center;gap:10px;text-align:left;border:1px solid #e1e4d8;background:#f9faf4;border-radius:12px;padding:14px 12px;min-width:0;color:var(--ink)}.reference-button>span:nth-child(2){min-width:0;flex:1}.reference-icon{font-size:24px;color:#8c9878;flex:none}.reference-button strong{display:block;font-size:12px;font-weight:550}.reference-button small{font-size:10px;color:#8b9484;display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:5px}.play-indicator{font-size:10px;flex:none}.reference-button.active{background:#e9eee1;border-color:#7c9269}.candidate-row{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:20px 0}.candidate{display:flex;align-items:center;text-align:left;gap:14px;min-height:116px;border:1px solid #d3dcc9;background:#f1f5e9;border-radius:14px;padding:20px;color:var(--ink)}.candidate:nth-child(2){background:#faf2df;border-color:#e8d8b0}.candidate-letter{font-size:43px;line-height:1;font-weight:450;letter-spacing:-2px}.candidate strong{font-size:13px;font-weight:550;display:block}.candidate small{display:block;font-size:10px;color:#8c977e;margin-top:7px}.candidate>.play-indicator{margin-left:auto}.candidate.active{box-shadow:inset 0 0 0 2px #75865a;background:#e4ebd7}.candidate:nth-child(2).active{box-shadow:inset 0 0 0 2px #b89943;background:#f0dfb3}.candidate.playing .play-indicator,.reference-button.playing .play-indicator{font-size:0}.candidate.playing .play-indicator:after,.reference-button.playing .play-indicator:after{content:"Ⅱ";font-size:13px}.playback-panel{border-top:1px solid #e5e8dd;padding-top:19px;margin-top:24px}.now-playing{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#7b8872;margin-bottom:9px}.now-playing span:last-child{font-variant-numeric:tabular-nums}input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:5px;border-radius:10px;background:#dbe2cf;cursor:pointer;margin:10px 0 19px;accent-color:#74865a}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:13px;height:13px;background:#63774f;border-radius:50%;border:2px solid #fff}input[type=range]::-moz-range-thumb{width:11px;height:11px;background:#63774f;border:2px solid #fff;border-radius:50%}.playback-actions{display:flex;flex-wrap:wrap;gap:15px;align-items:center;margin-bottom:12px}.transport{background:#eff3e7;border:1px solid #d8e0cf;color:#536748;min-height:34px;padding:8px 12px;font-size:11px}.loop-control,.mix-control{display:flex;align-items:center;gap:5px;font-size:11px;color:#7d8b74;margin:0;font-weight:400}input[type=checkbox]{accent-color:#65834f;width:14px;height:14px}.range-controls{display:flex;flex-wrap:wrap;align-items:center;gap:9px;padding:14px 0 0;border-top:1px dashed #dfe4d5;font-size:11px;color:#7b8771}.range-controls>span:first-child{width:100%;font-size:11px;margin-bottom:2px}.range-controls label{display:flex;align-items:center;gap:7px;margin:0;font-size:11px;font-weight:400}.range-controls input[type=number]{width:62px;min-height:30px;padding:6px;font-size:12px;border-radius:6px}.range-controls .quiet{margin-left:auto;font-size:10px}.keyboard-note{font-size:10px;color:#a0a792;margin:15px 0 0}.playback-panel .field-note{font-size:10px;margin:9px 0}.ballot{padding:30px}.ballot h2{font-size:23px;margin-top:12px}.ballot>.field-note{margin:0 0 24px}.dimension{border:0;border-bottom:1px solid #e6e9df;padding:0 0 23px;margin:0 0 22px;min-width:0}.dimension legend{font-size:14px;font-weight:570;line-height:1.6;margin-bottom:3px;width:100%;padding:0}.dimension .field-note{font-size:11px;margin:0 0 11px}.choice-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.choice-row label{display:block;position:relative;margin:0;cursor:pointer}.choice-row input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}.choice-row span{display:flex;align-items:center;justify-content:center;border:1px solid #dce2d3;border-radius:8px;min-height:39px;font-size:11px;background:#fcfdf8;color:#7a8771;white-space:nowrap}.choice-row input:checked+span{color:#fff;background:#506744;border-color:#506744}.choice-row input:focus-visible+span{outline:3px solid #b89130;outline-offset:2px}.choice-row input:disabled+span{opacity:.7;cursor:default}.ballot-navigation{display:flex;justify-content:space-between;gap:10px}.ballot-navigation .primary,.ballot-navigation .secondary{font-size:12px;padding:11px 15px;min-height:40px}.submit-area{margin-top:22px;padding-top:19px;border-top:1px solid #e2e7d8}.submit-area p{font-size:11px;color:#8a947e;margin:0 0 13px}.submit-area .primary{width:100%;background:#556848;border-color:#556848}.submit-area p.error{color:#a44532;margin-top:12px}.success .receipt{display:block;font-size:11px;color:#7c8c71;word-break:break-all;margin-top:8px}.success p{margin:5px 0}.success .quiet{margin-top:5px}.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}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:26px 0;margin-top:55px;color:#919a87;font-size:10px;letter-spacing:.3px}footer span{letter-spacing:0}@media(min-width:1050px){.ballot{position:sticky;top:25px}}@media(max-width:950px){.entrance{gap:45px}.entrance-copy h1{font-size:50px}.listening-grid{grid-template-columns:minmax(0,1.2fr) minmax(300px,1fr);gap:17px}.listening-card,.ballot{padding:23px}.reference-row{grid-template-columns:1fr}.candidate{padding:16px;gap:9px}.candidate-letter{font-size:37px}.candidate strong{font-size:11px}.candidate small{font-size:9px}.setup-grid{gap:40px}.range-controls .quiet{margin-left:0}.choice-row{gap:4px}.choice-row span{font-size:10px}}@media(max-width:760px){.site-header{height:70px;padding:0 20px}.brand{font-size:20px}.brand span{font-size:8px;letter-spacing:1px;padding-left:10px;margin-left:4px}.header-note{display:none}main{padding:30px 20px 0}.entrance{display:block;min-height:0;max-width:430px}.entrance-copy{margin-bottom:35px}.entrance-copy h1{font-size:42px;line-height:1.2;margin:16px 0}.entrance-copy p{font-size:13px;margin:20px 0}.sound-mark{display:none}.login-card{padding:28px}.intro{display:block;margin-bottom:25px}.intro h1{font-size:30px}.intro p{font-size:12px}.intro .pill{margin-top:20px}.setup-grid{grid-template-columns:1fr;gap:30px;margin-top:25px}.setup-grid .card{padding:25px}.instructions{padding:0}.session-heading{align-items:start;gap:10px}.session-heading h1{font-size:26px}.session-heading>.quiet{font-size:10px;max-width:85px;line-height:1.7;padding-top:0}.progress-panel{margin-bottom:20px}.progress-panel span{font-size:10px}.listening-grid{grid-template-columns:1fr}.reference-row{grid-template-columns:1fr 1fr}.reference-button{padding:12px 10px;gap:8px}.reference-icon{display:none}.reference-button small{max-width:120px}.candidate{min-height:95px;padding:17px;gap:14px}.candidate strong{font-size:13px}.candidate-letter{font-size:42px}.listening-card,.ballot{padding:24px}.choice-row span{font-size:12px;min-height:43px}.choice-row{gap:7px}.ballot .dimension{margin-bottom:23px}.keyboard-note{display:none}footer{margin-top:36px;font-size:9px}footer span{max-width:155px;text-align:right;line-height:1.7}}@media(prefers-reduced-motion:reduce){*{transition:none!important}} 

.results-table-scroll{overflow-x:auto} .results-table-scroll table{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0} .results-table-scroll th,.results-table-scroll td{padding:12px;text-align:left;border-bottom:1px solid #e3e6dc;white-space:nowrap} #admin-workspace>.card{margin-bottom:24px} #admin-message{padding:16px} #admin-workspace details summary{cursor:pointer;font-weight:600}

/* Follow-up remains separate from the three pairwise dimensions. */
.similarity-followup{border:1px solid #dce3d2;border-radius:12px;padding:15px;margin:15px 0 0;background:#f5f7ed;min-width:0}.similarity-followup legend{font-size:12px!important;line-height:1.7;padding:0 5px!important;width:auto!important}.similarity-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.similarity-followup .field-note{font-size:11px;margin:2px 0 11px}.similarity-replay{font-size:11px;min-height:32px;padding:8px 0 0}.similarity-results{border-top:1px solid var(--line);margin-top:26px;padding-top:22px}.similarity-results h3{margin:0 0 10px;font-size:18px;line-height:1.5}.similarity-results .field-note{margin-bottom:12px}
.site-header .brand .brand-lockup{display:flex;flex-direction:column;align-items:flex-start;gap:3px;align-self:center;border:0;margin:0;padding:0;letter-spacing:0}.site-header .brand .brand-name{font-size:22px;font-weight:700;line-height:1.1;letter-spacing:-.5px}.site-header .brand .brand-lab{font-size:9px;line-height:1.2;letter-spacing:1.3px;font-weight:550;color:var(--muted)}.site-header .brand>img{flex:none}@media(max-width:760px){.site-header .brand .brand-name{font-size:20px}.site-header .brand .brand-lab{font-size:9px}.similarity-followup{padding:13px}.similarity-followup legend{font-size:13px!important}}
.mode-picker{border:0;padding:0;margin:18px 0 22px;min-width:0}.mode-picker legend{font-size:13px;font-weight:550;margin-bottom:12px}.mode-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.mode-options label{position:relative;cursor:pointer;margin:0}.mode-options input{position:absolute;opacity:0;inset:0;margin:0;width:100%;height:100%;cursor:pointer}.mode-options span{display:flex;flex-direction:column;gap:6px;text-align:center;padding:15px 6px;border:1px solid var(--line);border-radius:12px;background:#fbfcf7}.mode-options strong{font-size:17px;font-weight:600}.mode-options small{font-size:10px;font-weight:400;color:var(--muted)}.mode-options input:checked+span{border-color:#5b784b;background:#eaf0df;box-shadow:inset 0 0 0 1px #5b784b}.mode-options input:focus-visible+span{outline:3px solid #b89130;outline-offset:2px}.mode-picker .field-note{margin-bottom:0}.candidate-row[data-size="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}.candidate-row[data-size="3"] .candidate{display:flex;flex-direction:column;align-items:flex-start;padding:16px;gap:12px}.candidate-row[data-size="3"] .candidate .play-indicator{position:absolute;align-self:flex-end}.candidate:nth-child(3){background:#f0edf8;border-color:#d8d0e8}.candidate:nth-child(3).active{background:#e4dcf2;box-shadow:inset 0 0 0 2px #9681af}.candidate:nth-child(4){background:#eaf3f5;border-color:#c7dce3}.candidate:nth-child(4).active{background:#d6e9ed;box-shadow:inset 0 0 0 2px #749ca6}.choice-row{grid-template-columns:repeat(var(--choice-count,4),minmax(0,1fr))}.similarity-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.audio-preload-status{position:fixed;right:18px;bottom:16px;z-index:10;width:278px;padding:13px 16px;background:#fffef8f5;border:1px solid #d6dfca;border-radius:12px;box-shadow:0 4px 24px #26342c14;color:#69765f;font-size:11px;pointer-events:auto}.audio-preload-status>div{display:flex;flex-direction:column;gap:5px}.audio-preload-status strong{font-weight:550;color:#476039}.audio-preload-status p{font-size:10px;line-height:1.5;margin:8px 0 0}.audio-preload-status .quiet{min-height:25px;padding:5px 0 0;font-size:11px}@media(max-width:950px){.similarity-choices{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){body{padding-bottom:130px}.audio-preload-status{position:fixed;right:12px;bottom:12px;width:min(300px,calc(100vw - 24px));margin:0;padding:10px 13px;box-shadow:0 4px 24px #26342c14}.audio-preload-status>div{flex-direction:row;flex-wrap:wrap;gap:5px 14px}.audio-preload-status p{font-size:10px;line-height:1.4;margin-top:6px}.audio-preload-status .quiet{min-height:30px}.candidate-row[data-size="3"] .candidate{padding:14px 11px;gap:9px}.candidate-row[data-size="3"] .candidate-letter{font-size:34px}.candidate-row[data-size="3"] .candidate strong{font-size:11px}.candidate-row[data-size="3"] .candidate small{font-size:9px}.similarity-choices{grid-template-columns:repeat(2,minmax(0,1fr))}}
.audio-preload-status{width:326px}.audio-preload-status .preload-heading{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:10px}.audio-preload-status .preload-heading strong{font-size:11px;line-height:1.4}.audio-preload-status #preload-toggle{flex:none;font-size:10px;min-height:24px;padding:1px 2px}.audio-preload-status progress{height:3px;margin:8px 0 9px}.audio-preload-status .preload-transfer{font-size:11px;font-variant-numeric:tabular-nums;color:#4b5944;margin:0;white-space:nowrap}.audio-preload-status .preload-current{font-size:10px;margin-top:7px}.audio-preload-status #preload-expanded{display:block;border-top:1px solid #e1e7d8;margin-top:9px;padding-top:1px}.audio-preload-status .preload-error{color:#a44532}.audio-preload-status.download-complete{border-color:#bfd0ad}@media(max-width:760px){body{padding-bottom:245px}.audio-preload-status{width:min(300px,calc(100vw - 24px));padding:9px 12px}.audio-preload-status .preload-heading strong{font-size:10px}.audio-preload-status .preload-transfer{font-size:10px}.audio-preload-status #preload-toggle{min-height:26px}.audio-preload-status progress{margin:6px 0 7px}}

.choice-row input[type=checkbox]:checked+span:before{content:"✓";font-size:10px;margin-right:4px}.similarity-followup+.similarity-followup{margin-top:10px}

.mode-options label.unavailable{cursor:not-allowed}.mode-options input:disabled+span{opacity:.48;filter:grayscale(.65)}.mode-options input:disabled{cursor:not-allowed}