@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:light;--ink:#161b27;--muted:#636b7c;--blue:#3459d4;--line:#dee2eb;--surface:#f2f4f8;font-family:'DM Sans',sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:#f8f9fc;color:var(--ink)}button,input,select{font:inherit}button,label.drop-zone,select,input[type=range],input[type=checkbox]{cursor:pointer}button{transition:background .15s,transform .15s}button:active{transform:translateY(1px)}button:disabled{cursor:wait;opacity:.5}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #799eff;outline-offset:4px}input[type=range]{accent-color:#95b5ff;width:100%}input[type=checkbox]{accent-color:var(--blue);width:16px;height:16px;flex:none}input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0}input[type=file]:focus-visible{position:static;width:auto;height:auto;opacity:1}[hidden]{display:none!important}
.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1220px)/2))}.brand{text-decoration:none;display:flex;align-items:center;gap:10px;font-family:Manrope,sans-serif;font-weight:800;font-size:1.25rem;letter-spacing:-.04em}.brand-mark{background:#1e2639;color:#b5ccff;display:grid;place-items:center;width:36px;height:36px;border-radius:9px;font-size:1.8rem}.header-caption{font-size:.75rem;letter-spacing:.12em;color:var(--muted)}main{max-width:1220px;margin:auto;padding:40px 24px 24px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:32px}.eyebrow{margin:0 0 10px;font-size:.75rem;font-weight:700;letter-spacing:.12em;color:var(--blue)}h1{font-family:Manrope,sans-serif;letter-spacing:-.055em;font-weight:800;font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 12px;line-height:1.16}.intro{color:var(--muted);margin:0;line-height:1.6}.privacy{font-size:.8rem;color:var(--muted);white-space:nowrap;border:1px solid var(--line);padding:9px 12px;border-radius:20px}.workspace{display:grid;grid-template-columns: minmax(280px,.78fr) minmax(0,1.25fr);gap:28px;align-items:start}.source-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}.section-heading{display:flex;gap:12px;align-items:center;margin-bottom:24px}.section-heading h2{font-size:1.1rem;margin:0;font-weight:700}.step-label{color:var(--blue);font-size:.8rem;border:1px solid #ccd6ff;width:30px;height:30px;display:grid;place-items:center;border-radius:50%}.drop-zone{padding:28px 14px;display:flex;align-items:center;flex-direction:column;gap:9px;border:1.5px dashed #aab8d7;border-radius:12px;background:#f6f8fd;text-align:center;position:relative}.drop-zone.dragover{background:#e7eeff;border-color:var(--blue)}.drop-zone strong{font-weight:600}.drop-zone>span{color:var(--muted);font-size:.9rem}.drop-zone .upload-icon{color:var(--blue);background:#e3eaff;width:44px;height:44px;display:grid;place-items:center;border-radius:50%;font-size:1.7rem;margin-bottom:4px}.drop-zone .file-types{font-size:.75rem;margin-top:8px}.divider{display:flex;align-items:center;gap:14px;margin:24px 0;color:#7b8291;font-size:.8rem}.divider:before,.divider:after{content:'';height:1px;background:var(--line);flex:1}.preset{display:flex;align-items:center;gap:14px;justify-content:space-between}.preset h3{margin:0 0 6px;font-family:Manrope,sans-serif;font-size:1.1rem}.preset p:last-child{margin:0;color:var(--muted);font-size:.85rem}.preset .eyebrow{font-size:.68rem;margin-bottom:8px}.secondary-button{border:1px solid #cad2e5;border-radius:8px;padding:10px 12px;color:var(--blue);background:#fff;font-size:.85rem;font-weight:600;white-space:nowrap}.secondary-button:hover{background:#f2f5ff}.source-help{font-size:.85rem;color:var(--muted);line-height:1.6;margin:22px 0}.help{border-top:1px solid var(--line);padding-top:18px;font-size:.85rem;line-height:1.7;color:var(--muted)}.help summary{color:var(--ink);cursor:pointer;font-weight:500}.analysis-state{margin-top:18px}.analysis-row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.85rem}.text-button{border:0;background:transparent;color:var(--blue);padding:8px}progress{width:100%;height:6px;accent-color:var(--blue)}.error{font-size:.85rem;line-height:1.6;color:#d23c56;overflow-wrap:anywhere}
.player-panel{background:#131720;color:#e9edfa;padding:26px 30px;border-radius:18px;border:1px solid #2b3140;box-shadow:0 12px 32px #1b233815}.player-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.player-label{font-size:.7rem;letter-spacing:.1em;color:#9fb1d3}.source-badge{font-size:.72rem;color:#b7cbf5;background:#252f43;padding:6px 9px;border-radius:5px}.player-panel h2{font-family:Manrope,sans-serif;font-size:1.6rem;letter-spacing:-.04em;margin:0 0 6px;overflow-wrap:anywhere}.song-detail{font-size:.85rem;color:#9ca9c1;margin:0;line-height:1.6}.chord-stage{display:flex;align-items:center;flex-direction:column;justify-content:center;padding:22px 0 18px;min-height:212px}.chord-caption{font-size:.65rem;letter-spacing:.16em;color:#93a0b9}.current-chord{font-size:4.6rem;line-height:1.3;font-family:Manrope,sans-serif;font-weight:500;letter-spacing:-.045em;color:#b7ceff;min-height:96px}.beat-dots{display:flex;gap:9px;margin-top:8px}.beat-dots span{height:7px;width:7px;background:#3c465c;border-radius:50%}.beat-dots span.active{background:#a3c1ff}.chord-stage p{margin:12px 0 0;font-size:.8rem;color:#adbad3;min-height:20px}.transport{display:flex;align-items:center;gap:12px}.play-button{border:0;background:#b8cfff;color:#162544;font-weight:700;padding:13px 22px;border-radius:9px;display:flex;align-items:center;justify-content:center;gap:10px;min-width:158px}.play-button:hover{background:#d0deff}.dark-button{background:#242b3a;color:#e0e7f5;border:1px solid #3c4558;padding:12px 14px;border-radius:9px;font-size:.85rem}.loop-switch{display:flex;align-items:center;gap:5px;margin-left:auto;color:#abbad6;font-size:.85rem}.seek-row{display:flex;align-items:center;gap:12px;font-variant-numeric:tabular-nums;font-size:.75rem;color:#95a5c1;margin:18px 0 24px}.seek-row input{margin:0}.player-settings{display:grid;grid-template-columns:1fr 1fr;gap:22px 26px;padding-top:20px;border-top:1px solid #343b4d}.player-settings>label{display:grid;grid-template-columns:1fr auto;gap:10px;color:#b6c3dc;font-size:.85rem;align-items:center}.player-settings label>input[type=range],.player-settings select{grid-column:1/-1}.player-settings input[type=number]{width:56px;background:transparent;color:#e9edfa;border:0;border-bottom:1px solid #5e6b82;text-align:center;font-size:1rem;appearance:textfield}.player-settings input[type=number]::-webkit-inner-spin-button{appearance:none}.player-settings select{color:#dde7fc;background:#242b3a;border:1px solid #3c4558;border-radius:7px;padding:10px;width:100%;font-size:.85rem}.player-settings input[type=range]{margin:0}.player-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:.8rem;color:#aebcda}.player-bottom label{display:flex;align-items:center;gap:7px}.player-bottom label:has(input:disabled){opacity:.5}.player-bottom input{margin:0}
.arrangement{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;margin-top:28px}.arrangement-heading{display:flex;align-items:center;gap:24px;justify-content:space-between;flex-wrap:wrap;margin-bottom:22px}.arrangement-heading h2{font-family:Manrope,sans-serif;font-size:1.3rem;letter-spacing:-.035em;margin:0}.arrangement-heading>label{display:flex;align-items:center;gap:10px;font-size:.85rem}.arrangement-heading select,.chord-card select{background:#fff;border:1px solid #d5dcea;border-radius:6px;padding:8px;color:var(--ink);font-size:.85rem}.arrangement-heading>span{color:var(--muted);font-size:.8rem;max-width:360px;line-height:1.6}.chord-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:10px;max-height:400px;overflow:auto;padding:4px}.chord-card{border:1px solid #dce2ef;border-radius:9px;display:flex;flex-direction:column;gap:12px;padding:12px;position:relative;background:#f8faff}.chord-card.active{border-color:#3459d4;background:#eef3ff;box-shadow:0 0 0 1px #3459d4}.chord-card select{font-size:1.1rem;font-weight:600;width:100%;padding:6px}.chord-card button{border:0;padding:0;text-align:left;background:transparent;font-size:.75rem;color:var(--muted);font-variant-numeric:tabular-nums}.chord-card button:hover{color:var(--blue)}.chord-card .chord-length{font-size:.72rem;color:var(--muted)}.arrangement-help{font-size:.8rem;margin:16px 0 0;color:var(--muted)}#waveform{width:100%;height:68px;margin-bottom:16px;display:block}footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:15px;margin:26px 0 0;color:var(--muted);font-size:.75rem}footer a{text-underline-offset:3px}
@media(max-width:900px){.workspace{gap:18px;grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr)}.source-panel{padding:20px}.player-panel{padding:24px}.page-heading{align-items:start}.privacy{display:none}.transport{gap:8px;flex-wrap:wrap}.play-button{flex:1}.loop-switch{margin-left:0}.player-settings{gap:20px 16px}.header-caption{display:none}}
@media(max-width:700px){main{padding:28px 16px 20px}.topbar{height:68px;padding:0 20px}.workspace{display:flex;flex-direction:column}.source-panel,.player-panel{width:100%}.page-heading{margin-bottom:24px}.drop-zone{padding:20px 12px}.source-help{margin:16px 0}.player-panel{padding:22px}.source-panel{padding:22px}.arrangement{padding:20px}.chord-list{grid-template-columns:repeat(auto-fill,minmax(112px,1fr))}.arrangement-heading{gap:16px}.header-caption{display:none}.player-settings{gap:18px 16px}h1{font-size:1.9rem}}
@media(prefers-reduced-motion:reduce){button{transition:none}}
@media(max-width:420px){.player-settings{grid-template-columns:1fr}.transport .play-button{flex-basis:100%}.transport .loop-switch{margin-left:auto}.preset{align-items:start;flex-wrap:wrap}.arrangement-heading>label{flex-wrap:wrap}.player-top{flex-wrap:wrap}.privacy{white-space:normal}}
.song-search{display:grid;gap:14px}.song-search label,.manual-video label{display:grid;gap:8px;font-size:.9rem;font-weight:500}.song-search input,.manual-video input{border:1px solid #cbd4e6;border-radius:8px;background:#fff;padding:12px;width:100%;min-width:0;color:var(--ink);font-size:1rem}.optional{display:inline;font-size:.75rem;color:var(--muted);font-weight:400}.search-button{background:var(--blue);color:#fff;border:0;border-radius:8px;padding:13px 16px;font-size:.9rem;font-weight:600}.search-button:hover{background:#2547ba}.search-status{font-size:.82rem;color:var(--muted);line-height:1.6}.search-results{display:grid;gap:10px;max-height:410px;overflow:auto}.backing-result{display:grid;gap:9px;padding:12px;border:1px solid #dce3ef;border-radius:9px;background:#f7f9fe}.backing-result strong{font-size:.88rem;line-height:1.5;font-weight:600;overflow-wrap:anywhere}.backing-result>span{font-size:.75rem;color:var(--muted);line-height:1.5}.backing-result button{justify-self:start}.external-search{font-size:.8rem;display:inline-block;margin:16px 0 0;color:var(--blue);text-underline-offset:3px;line-height:1.6}.manual-video{margin:18px 0;font-size:.85rem;color:var(--muted)}.manual-video summary{cursor:pointer}.manual-video form{display:grid;gap:12px;margin-top:14px}.manual-video button{justify-self:start}.help{margin-top:22px}.recorded-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:340px;text-align:center;padding:30px 10px}.recorded-symbol{font-size:4rem;color:#b6ceff;line-height:1.3}.recorded-empty p{font-family:Manrope,sans-serif;font-size:1.1rem;margin:8px 0 0;font-weight:600}.recorded-empty>span:last-of-type{font-size:.85rem;color:#a6b5d1;line-height:1.6}.recorded-empty button{margin-top:18px}.recorded-frame{margin-top:24px;width:100%;aspect-ratio:16/9;background:#0a0c10;border-radius:10px;overflow:hidden}.recorded-frame>div,.recorded-frame>iframe{width:100%;height:100%;border:0}.recorded-status{font-size:.85rem;line-height:1.6;color:#b8c7e5;margin:18px 0;min-height:1.4rem}.recorded-settings{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;border-top:1px solid #333e53;padding-top:20px;align-items:center}.recorded-settings>label{font-size:.85rem;color:#bac7df;display:flex;flex-wrap:wrap;align-items:center;gap:10px}.recorded-settings select{border:1px solid #3c4558;border-radius:7px;padding:10px;width:100%;font-size:.85rem;color:#dde7fc;background:#242b3a}.recorded-settings button{justify-self:end}.recorded-settings input{margin:0}.recorded-settings label>span{margin-left:auto}.recorded-link{display:inline-block;color:#bdd3ff;font-size:.85rem;text-underline-offset:3px;margin-top:12px}.recorded-note{color:#a6b4cf;font-size:.8rem;line-height:1.7;border-top:1px solid #333e53;padding-top:18px;margin-top:24px;margin-bottom:0}.recorded-panel{position:sticky;top:24px}
@media(max-width:700px){.recorded-panel{position:static}.recorded-empty{min-height:250px}.recorded-frame{aspect-ratio:16/9;min-height:200px}.search-results{max-height:330px}}
@media(max-width:420px){.recorded-settings{grid-template-columns:1fr}.recorded-settings button{justify-self:start}.recorded-frame{min-height:200px}}