:root{--ink:#272729;--muted:#787577;--paper:#f5f3f0;--line:#e6e1dc;--accent:#526f60;--wash:#eef2ee}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px}button,a,input,label{-webkit-tap-highlight-color:transparent}button,label{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible,label:focus-within,summary:focus-visible{outline:3px solid #88ad96;outline-offset:4px}[hidden]{display:none!important}.site-header{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{text-decoration:none;color:var(--ink);font-size:15px;font-weight:650;letter-spacing:2px}.brand span{color:#9b9295;padding:0 6px}.local-label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.local-label i{background:#688775;width:6px;height:6px;border-radius:50%}main{max-width:1350px;margin:auto;padding:48px 5vw 28px}.intro{margin-bottom:34px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--accent);font-weight:600}.intro h1{font-family:Georgia,"Songti SC",serif;font-size:40px;letter-spacing:1px;font-weight:500;margin:14px 0}.intro h1 span{color:var(--accent)}.intro p{color:var(--muted);line-height:1.7;margin:10px 0}.workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:26px;align-items:start}.input-panel,.output-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px}.section-label{display:flex;align-items:center;gap:13px;margin-bottom:23px}.section-label>span{font-size:12px;font-family:Georgia,serif;color:var(--accent);border:1px solid var(--line);border-radius:50%;width:27px;height:27px;display:grid;place-items:center}.section-label h2{font-size:16px;letter-spacing:.5px;margin:0;font-weight:550}.drop-zone{text-align:center;padding:27px 10px 23px;border:1px dashed #c7d1c7;border-radius:9px;background:#fafbf9;transition:.15s}.drop-zone.drag-over{background:#e5eee6;border-color:var(--accent)}.drop-zone svg{display:block;width:31px;height:31px;fill:none;stroke:var(--accent);stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5;margin:0 auto 15px}.drop-zone strong{font-size:13px;font-weight:550;display:block}.drop-zone p{font-size:10px;color:var(--muted);margin:9px 0 18px}.upload-button{display:inline-block;background:var(--accent);color:white;padding:10px 24px;border-radius:5px;font-size:12px;position:relative}.upload-button input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.reference-heading,.candidate-heading{display:flex;justify-content:space-between;align-items:baseline;margin:24px 0 11px}.reference-heading h3,.candidate-heading h3{font-size:12px;font-weight:600;margin:0}.reference-heading span,.candidate-heading span{font-size:10px;color:var(--muted)}.reference-list{display:grid;gap:7px}.reference-button{display:flex;align-items:center;text-align:left;border:1px solid var(--line);background:#fff;border-radius:7px;padding:9px;gap:11px;width:100%;color:var(--ink)}.reference-button:hover,.reference-button.active{background:var(--wash);border-color:#a5b4a8}.reference-button img{width:38px;height:43px;object-fit:cover;object-position:50% 18%;border-radius:3px}.reference-button div{flex:1;min-width:0}.reference-button strong{display:block;font-size:12px;font-weight:550}.reference-button small{font-size:10px;color:var(--muted);display:block;margin-top:4px}.reference-button .arrow{font-size:16px;color:var(--accent);padding-right:4px}.player-panel{padding-top:22px;border-top:1px solid var(--line);margin-top:23px}.player-panel strong{display:block;margin:8px 0 12px;font-size:12px;overflow-wrap:anywhere}.player-panel audio{width:100%;height:35px}.status{margin-top:17px;color:var(--accent);font-size:12px;line-height:1.7}.status.error{color:#9b373c}.privacy-note{font-size:10px;line-height:1.6;color:#989398;margin:13px 0 0}.output-panel{min-height:622px}.empty-result{text-align:center}.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;border-radius:8px;overflow:hidden;max-width:480px;margin:0 auto}.preview-grid img{width:100%;height:190px;object-fit:cover;object-position:50% 24%;background:#fafafa}.empty-result p{font-family:Georgia,"Songti SC",serif;font-size:18px;margin:24px 0 10px}.empty-result>span{font-size:12px;color:var(--muted)}.result-summary{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.result-badge{color:var(--accent);background:var(--wash);font-size:11px;padding:6px 10px;border-radius:4px}.result-badge.choice{color:#8c6f3d;background:#f8f3e7}.muted{font-size:10px;color:var(--muted)}.hero-result{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.hero-result>img{display:block;width:100%;max-height:320px;object-fit:contain;background:#fbfaf9;border-radius:8px}.result-copy h3{font-family:Georgia,"Songti SC",serif;font-size:27px;line-height:1.45;font-weight:500;margin:12px 0}.result-copy>p{font-size:12px;line-height:1.85;color:var(--muted)}.song-tag{font-size:11px;color:var(--accent);background:#f6f6f2;border-left:2px solid #aabbad;padding:10px 12px;margin-top:18px;overflow-wrap:anywhere;line-height:1.6}.result-copy .decision-note{font-size:11px;margin:12px 0}.result-copy .template-note{font-size:10px;color:#979294}.candidate-heading{margin-top:24px}.candidates{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.candidate{background:white;border:1px solid var(--line);border-radius:6px;padding:0 0 10px;overflow:hidden;text-align:left;color:var(--ink)}.candidate.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.candidate img{display:block;width:100%;height:88px;object-fit:cover;object-position:50% 22%;margin-bottom:9px}.candidate strong{display:block;font-size:10px;font-weight:500;padding:0 7px}.candidate small{display:block;font-size:9px;color:var(--muted);margin-top:5px;padding:0 7px}.parameters{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}.parameters summary{cursor:pointer;color:var(--muted);font-size:11px}.parameter-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 22px;margin-top:20px}.parameter{font-size:10px}.parameter div{display:flex;justify-content:space-between;margin-bottom:6px}.parameter meter{width:100%;height:6px;display:block}.parameter meter::-webkit-meter-bar{background:#eee;border:0}.parameter meter::-webkit-meter-optimum-value{background:#93a595}.result-footer{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:22px;color:var(--muted);font-size:10px;line-height:1.6}.text-button{background:none;border:0;color:var(--accent);font-size:10px;white-space:nowrap;padding:6px 0}.page-footer{display:flex;justify-content:space-between;gap:25px;font-size:10px;color:var(--muted);line-height:1.8;margin-top:22px}.page-footer span{white-space:nowrap}@media(min-width:1500px){main{padding-left:40px;padding-right:40px}}@media(max-width:950px){main{padding:30px 24px}.workspace{grid-template-columns:290px minmax(0,1fr);gap:16px}.input-panel,.output-panel{padding:19px}.hero-result{grid-template-columns:1fr}.hero-result>img{height:285px}.result-copy h3{font-size:23px}.preview-grid img{height:165px}.candidate img{height:70px}}@media(max-width:700px){.site-header{height:62px;padding:0 22px}.brand{font-size:12px}main{padding:30px 18px}.intro h1{font-size:31px}.workspace{grid-template-columns:1fr}.input-panel,.output-panel{padding:22px}.reference-list{grid-template-columns:1fr 1fr}.reference-button{gap:7px}.reference-button strong{font-size:10px}.reference-button small{font-size:9px}.reference-button img{width:30px;height:38px}.reference-button .arrow{display:none}.hero-result{grid-template-columns:1fr 1fr;gap:15px}.hero-result>img{height:auto}.result-copy h3{font-size:22px}.result-copy .eyebrow{font-size:9px}.result-copy>p{font-size:11px}.song-tag{margin-top:10px}.output-panel{min-height:0}.page-footer{display:block}.page-footer span{display:block;margin-top:7px}.candidate img{height:90px}}

/* The twenty-song library stays compact beside the matching result. */
.library-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:9px}.library-heading h3{font-size:14px;font-weight:600;margin:0}.library-heading>span{font-size:11px;color:var(--muted);white-space:nowrap}.library-note{font-size:11px;line-height:1.75;color:var(--muted);margin:0 0 15px}.search-label{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.track-search{display:block;width:100%;border:1px solid var(--line);border-radius:6px;background:#fafbf9;padding:10px 12px;color:var(--ink);font:inherit;font-size:12px;outline-offset:3px}.track-search::placeholder{color:#928d91}.track-search:focus-visible{outline:2px solid #88ad96}.track-filters{display:flex;gap:6px;margin:10px 0 13px}.track-filters button{border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--muted);padding:7px 10px;font:inherit;font-size:11px;flex:1;white-space:nowrap}.track-filters button span{margin-left:3px;font-variant-numeric:tabular-nums}.track-filters button.active{background:var(--wash);color:var(--accent);border-color:#a5b4a8}.track-list{display:grid;gap:6px;max-height:356px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c2cec4 #f4f5f1;padding:3px 5px 3px 3px;margin:-3px -5px -3px -3px}.track-button{display:flex;align-items:center;text-align:left;border:1px solid var(--line);background:#fff;border-radius:7px;padding:10px 9px;gap:9px;width:100%;min-height:66px;color:var(--ink);font:inherit;transition:background .15s,border-color .15s}.track-button:hover:not(:disabled),.track-button.active{background:var(--wash);border-color:#a5b4a8}.track-button:disabled[data-unavailable=true]{cursor:not-allowed;opacity:.5}.track-button:focus-visible{outline-offset:0}.track-number{font-size:11px;color:#9b9697;font-variant-numeric:tabular-nums;flex:none;width:18px;text-align:center}.track-button.active .track-number{color:var(--accent);font-weight:700}.track-copy{flex:1;min-width:0}.track-copy strong{display:block;font-size:12px;font-weight:550;line-height:1.45;overflow-wrap:anywhere}.track-copy small{font-size:10px;color:var(--muted);display:block;margin-top:4px;line-height:1.4;overflow-wrap:anywhere}.track-meta{display:flex;align-items:flex-end;flex-direction:column;gap:5px;flex:none;min-width:31px}.track-meta>small{font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}.track-role{font-size:9px;line-height:1.4;padding:2px 4px;border-radius:3px;color:var(--muted);background:#f2efeb}.track-role.test{color:var(--accent);background:#edf2ec}.library-message{color:var(--muted);font-size:12px;line-height:1.8;padding:26px 10px;text-align:center;background:#fafbf9;border-radius:6px}.player-panel{padding-top:17px;margin-top:18px}.player-panel .eyebrow{font-size:10px;letter-spacing:1px}.track-source{font-size:10px;line-height:1.7;color:var(--muted);margin-top:10px}.track-source summary{cursor:pointer}.track-source p{margin:7px 0 0;overflow-wrap:anywhere}.track-source a{color:var(--accent);text-underline-offset:2px}.playback-note{font-size:10px;line-height:1.6;color:#986747}.upload-panel{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}.upload-panel>summary{font-size:12px;color:var(--accent);cursor:pointer}.upload-panel .drop-zone{margin-top:14px;padding:18px 8px}.upload-panel .drop-zone strong{font-size:12px}.upload-panel .drop-zone p{font-size:9px}.view-result{display:none;font-size:12px;color:var(--accent);text-underline-offset:3px;margin-top:8px}.intro p{font-size:13px}.output-panel{min-width:0}#result-heading{scroll-margin-top:20px}.template-note{overflow-wrap:anywhere}@media(max-width:950px) and (min-width:701px){.track-button{gap:6px;padding:9px 7px}.track-filters button{padding:7px}.track-meta{min-width:27px}.track-copy strong{font-size:11px}.track-copy small{font-size:9px}}@media(max-width:700px){.intro{margin-bottom:24px}.intro h1{font-size:29px}.intro p{font-size:12px}.track-list{max-height:300px}.track-button{min-height:64px}.track-copy strong{font-size:13px}.track-copy small{font-size:11px}.track-filters button{font-size:12px;min-height:36px}.track-search{font-size:14px}.view-result{display:inline-block}.library-note{font-size:12px}.library-heading h3{font-size:14px}.track-source{font-size:11px}.result-summary{gap:10px;flex-wrap:wrap}.result-badge{font-size:11px}.candidate-heading{gap:8px}.candidate-heading span{white-space:nowrap}.hero-result{gap:13px}.result-copy h3{font-size:21px}.result-copy .eyebrow{letter-spacing:1px}.result-footer{align-items:flex-start}.candidates{gap:6px}.candidate strong{font-size:10px;padding:0 5px}.candidate small{padding:0 5px}}@media(max-width:380px){.intro h1{font-size:26px}.input-panel,.output-panel{padding:18px}.hero-result{grid-template-columns:1fr}.hero-result>img{max-height:300px}.candidate img{height:75px}.candidate-heading h3{font-size:11px}.result-footer{flex-direction:column}}

.list-scroll-hint{font-size:10px;color:var(--muted);text-align:center;margin:9px 0 0}.return-to-tracks{display:none}.input-panel,.player-panel,.result-copy{min-width:0}.player-panel audio{display:block;min-width:0;max-width:100%}#input-title{scroll-margin-top:20px}@media(max-width:700px){.brand{display:inline-flex;align-items:center;min-height:44px}.track-search{font-size:16px;min-height:44px}.track-filters button{min-height:44px}.track-button{min-height:66px}.player-panel audio{height:44px}.track-source>summary,.upload-panel>summary,.parameters>summary{min-height:44px;padding:12px 0;line-height:20px}.track-source a{display:inline-block;min-height:44px;padding:10px 0}.upload-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:13px}.view-result{display:flex;align-items:center;justify-content:center;min-height:46px;width:100%;padding:11px 12px;border-radius:6px;background:var(--accent);color:#fff;text-decoration:none;font-size:13px;font-weight:550;line-height:1.6;text-align:center;margin-top:12px}.text-button{min-height:44px;min-width:44px;font-size:12px}.list-scroll-hint{font-size:11px}.return-to-tracks{display:flex;align-items:center;justify-content:center;min-height:44px;border-top:1px solid var(--line);margin-top:12px;padding-top:10px;font-size:12px;color:var(--accent);text-underline-offset:3px}.candidate-heading h3{font-size:13px}.candidate-heading span{font-size:11px}.candidate strong{font-size:12px}.candidate small{font-size:11px}.parameter-grid{gap:15px}.parameter{font-size:11px}.status{font-size:13px}}@media(max-width:480px){.hero-result{grid-template-columns:minmax(0,1fr)}.hero-result>img{height:auto;max-height:340px}.result-copy h3{font-size:25px;margin:9px 0}.result-copy>p,.result-copy .decision-note{font-size:13px}.result-copy .template-note{font-size:11px}.candidates{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.candidate img{height:145px}.candidate strong,.candidate small{padding-left:9px;padding-right:9px}.song-tag{font-size:12px}.result-footer{flex-direction:column;gap:4px}.result-footer>span{font-size:11px}.candidate-heading{align-items:center}.empty-result p{font-size:17px}}@media(max-width:360px){.candidate img{height:130px}.intro h1{font-size:25px}.brand{letter-spacing:1px}.local-label{font-size:11px}}
.page-footer a{color:var(--accent);text-underline-offset:3px;display:inline-block;min-height:44px;padding:8px 0}@media(max-width:700px){.page-footer a{font-size:12px}}