:root{color-scheme:dark;--bg:#101112;--panel:#171819;--border:#303233;--muted:#929696;--text:#f0f1ed;--accent:#c5f467;font-family:Inter,Arial,Helvetica,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.35;cursor:not-allowed}button,a{transition:background .2s,color .2s,transform .2s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:hover:not(:disabled){filter:brightness(1.12)}button:active:not(:disabled){transform:translateY(1px)}a{color:inherit;text-decoration:none}header{height:92px;border-bottom:1px solid var(--border);padding:0 4.5%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:750;letter-spacing:-1px}.header-label{font-size:12px;letter-spacing:2px;color:var(--muted)}.local-badge{font-size:13px;color:#c0c4be;display:flex;align-items:center;gap:9px}.local-badge>span{height:6px;width:6px;border-radius:50%;background:var(--accent)}main{max-width:1540px;margin:auto;padding:52px 4.5% 0}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:600;color:var(--muted)}h1{font-size:clamp(30px,3.1vw,49px);font-weight:500;letter-spacing:-2px;margin:13px 0 15px;line-height:1.15}h1 span{color:#8d918f}.intro p{color:var(--muted);margin:0;font-size:16px}.format-badge{border:1px solid var(--border);border-radius:9px;padding:17px 23px;transform:rotate(3deg);display:grid;gap:5px}.format-badge strong{font-size:27px;letter-spacing:-1px}.format-badge span{font-size:10px;letter-spacing:1.5px}.dropzone{position:relative;border:1px dashed #555b50;background:linear-gradient(115deg,#20251c 0%,#191c18 45%,#181a18 100%);border-radius:14px;min-height:155px;display:flex;gap:22px;align-items:center;padding:30px 32px 44px;transition:border-color .2s,background .2s}.dropzone.dragging{border-color:var(--accent);background:#2a3422}.upload-icon{width:53px;height:53px;border:1px solid #4a543f;border-radius:12px;display:grid;place-items:center;font-size:35px;color:var(--accent)}h2{font-size:20px;font-weight:500;margin:0}p{line-height:1.6}.dropzone p{margin:6px 0 0;color:#a9afa4;font-size:14px}.primary,.secondary{border-radius:7px;padding:13px 17px;display:flex;align-items:center;justify-content:center;gap:20px;font-size:14px;font-weight:600;border:1px solid transparent;white-space:nowrap}.primary{background:var(--accent);color:#182010}.primary span{font-size:20px;line-height:16px}.dropzone .primary{margin-left:auto}.drop-meta{position:absolute;bottom:17px;left:107px;font-size:10px;letter-spacing:1.25px;color:#788370}.workspace-title{display:flex;align-items:center;justify-content:space-between;margin:40px 0 18px}.workspace-title h2{font-size:20px;display:flex;align-items:center;gap:12px}.workspace-title h2 span{font-size:12px;background:#292b2b;padding:4px 7px;border-radius:5px;color:#bbb}.steps{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}.steps i{width:24px;height:1px;background:#40423f}.steps span:first-child{color:var(--accent)}.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);border:1px solid var(--border);border-radius:12px;overflow:hidden;min-height:440px;background:var(--panel)}.library{border-right:1px solid var(--border);padding:22px 14px;display:flex;flex-direction:column;min-width:0}.panel-heading{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;letter-spacing:1px;padding:0 8px 21px}.panel-heading span+span{letter-spacing:0}#tracks{max-height:550px;overflow-y:auto}.track{width:100%;background:transparent;border:1px solid transparent;border-radius:8px;color:var(--text);text-align:left;padding:15px 10px;margin-bottom:7px;display:flex;gap:11px;align-items:center}.track.selected{background:#282d23;border-color:#465238}.track .track-icon{height:35px;width:35px;flex-shrink:0;background:#30332d;display:grid;place-items:center;color:var(--accent);border-radius:6px}.track>div{min-width:0;flex:1}.track strong{font-size:14px;display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-weight:500}.track small{font-size:12px;color:var(--muted);display:block;margin-top:7px;line-height:1.4}.track progress{width:100%;height:3px;accent-color:var(--accent)}#library-empty{text-align:center;color:var(--muted);padding:57px 15px 40px;flex:1}#library-empty p{font-size:14px;margin:22px 0 8px}#library-empty small{font-size:12px;line-height:1.7;display:block;color:#6d7470}.empty-lines{color:#68745a;font-size:32px;letter-spacing:2px}.secondary{background:#232625;color:#d6dbd2;border-color:#383d37}.library>.secondary{margin-top:auto;width:100%;padding:12px 8px}.editor{min-width:0;padding:27px 30px}#editor-empty{text-align:center;min-height:385px;display:flex;flex-direction:column;align-items:center;justify-content:center}.empty-record{width:88px;height:88px;border-radius:50%;background:repeating-radial-gradient(circle,#282b26 0px,#282b26 1px,#1b1d1a 2px,#1b1d1a 5px);display:grid;place-items:center;margin-bottom:23px;box-shadow:0 0 60px #c5f40805}.empty-record>div{border:12px solid #343e2b;width:32px;height:32px;border-radius:50%;background:var(--accent)}#editor-empty h2{font-size:23px;line-height:1.4;letter-spacing:-.5px}#editor-empty p{font-size:14px;color:var(--muted)}.empty-tags{display:flex;gap:18px;font-size:10px;letter-spacing:1px;color:#72796f;margin-top:10px}.track-heading{display:flex;justify-content:space-between;gap:12px}.track-heading h2{font-size:23px;margin-top:8px;overflow-wrap:anywhere}.track-heading p{font-size:12px;color:var(--muted);margin:8px 0 23px}.icon-button{align-self:flex-start;background:#232625;border:1px solid var(--border);border-radius:5px;color:#abb0a8;font-size:23px;width:32px;height:32px}.analysis-cards{display:grid;grid-template-columns:1fr 1fr;gap:13px}.analysis-cards>div{border:1px solid var(--border);border-radius:8px;background:#1c1e1d;padding:17px 20px}label{display:block;font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:8px}input,select{background:#242725;color:var(--text);border:1px solid #41463e;border-radius:5px;padding:9px;max-width:100%}.analysis-cards input,.analysis-cards select{background:transparent;border:0;font-size:33px;font-weight:500;letter-spacing:-1px;width:100%;padding:3px 0}.analysis-cards select option{background:#222;font-size:16px}.analysis-cards small{color:#a3b191;font-size:12px}.bpm-row{display:flex;align-items:center}.bpm-row input{min-width:0}.bpm-row>div{display:flex;gap:5px}.bpm-row button{font-size:12px;background:#2d3228;border:1px solid #414938;color:#c4d2b4;padding:6px;border-radius:4px}.analysis-note{font-size:12px;color:#aca898;line-height:1.6;margin:14px 0 23px}.wave-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px}.wave-header h3{font-size:14px;font-weight:500}.wave-tools{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap}.wave-header label{display:flex;align-items:center;gap:8px;letter-spacing:0;font-size:12px;margin:0}.wave-header select{font-size:12px;padding:5px}.wave-header input[type=range]{width:110px;accent-color:var(--accent)}.wave-header output{min-width:24px;color:#c5f467;font-size:11px;font-variant-numeric:tabular-nums}.wave-reset{background:none;border:1px solid var(--border);color:var(--muted);border-radius:4px;padding:5px 7px;font-size:10px}.wave-reset:hover{color:var(--text);border-color:#596052}.wave-wrap{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#121513;padding:0 12px}canvas{display:block;width:100%;height:155px;cursor:crosshair}.wave-legend{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);padding-bottom:10px;font-variant-numeric:tabular-nums}.transport{display:flex;gap:15px;align-items:center;margin:12px 0 22px}.play-button{border:1px solid #5a6949;background:#303c24;color:var(--accent);border-radius:50%;width:34px;height:34px;font-size:13px}.text-button{background:none;border:0;color:#c0c6ba;font-size:12px;padding:8px 0}.transport>span{margin-left:auto;font-size:12px;color:var(--muted)}.trim-controls{display:flex;align-items:flex-end;gap:15px}.trim-controls>div:first-child{flex:1}.trim-controls label{font-size:10px;letter-spacing:.8px}.trim-controls input,.trim-controls select{font-size:13px;height:36px}.sample-row{display:flex;gap:4px}.sample-row input{width:110px;flex:1;min-width:0;font-variant-numeric:tabular-nums}.sample-row button{background:#262b24;border:1px solid #41463e;color:#c7d1c0;border-radius:4px}.trim-controls .secondary{font-size:12px;padding:9px 10px;height:36px}.hint{font-size:12px;color:#82897e;line-height:1.7;margin:15px 0 22px}.export-panel{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:20px}.export-panel>div{min-width:0}.export-panel .eyebrow{font-size:10px}.export-panel p{font-size:12px;color:#c5cdbd;overflow-wrap:anywhere;margin:6px 0 0}footer{display:flex;justify-content:space-between;gap:20px;color:#777d75;font-size:12px;padding:25px 0 30px}footer>span:first-child{font-weight:600;color:#b0b5ac}.muted{color:#676d64;font-weight:400}footer a{color:#8a9282}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);max-width:90vw;background:#e4eddb;color:#1b2216;padding:13px 22px;border-radius:8px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:5;box-shadow:0 8px 40px #0008}#toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}@keyframes arrive{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.track{animation:none}.about{max-width:850px}.about h2{margin-top:32px}.about p,.about li{color:#b9bdb5;line-height:1.8}.about a{color:var(--accent)}
@media(min-width:1600px){main{padding-top:65px}.workspace{min-height:500px}#editor-empty{min-height:435px}}
@media(max-width:1000px){.header-label{display:none}.workspace{grid-template-columns:240px minmax(0,1fr)}.editor{padding:24px 20px}.trim-controls{flex-wrap:wrap}.trim-controls .secondary{flex:1}.format-badge{display:none}.steps{gap:6px}.steps i{width:10px}}
@media(max-width:720px){header{height:72px;padding:0 5%}.brand{font-size:20px}.local-badge{font-size:10px;max-width:120px;line-height:1.5}main{padding:32px 5% 0}h1{font-size:34px;letter-spacing:-1.4px;max-width:330px}h1 span{display:block}.intro{margin-bottom:27px}.intro p{font-size:14px}.eyebrow{font-size:10px}.dropzone{padding:23px 20px 42px;flex-wrap:wrap;gap:14px}.dropzone h2{font-size:18px}.dropzone p{font-size:12px;max-width:210px}.upload-icon{width:40px;height:40px;font-size:28px}.dropzone .primary{width:100%;margin:0}.drop-meta{left:20px;font-size:9px}.workspace-title{margin-top:28px}.steps{display:none}.workspace{grid-template-columns:1fr}.library{border-right:0;border-bottom:1px solid var(--border);padding:15px}#library-empty{padding:10px 10px 20px}#library-empty .empty-lines{display:none}#tracks{max-height:225px}.library>.secondary{margin-top:8px}.panel-heading{padding-bottom:8px}.editor{padding:22px 16px}#editor-empty{min-height:330px}.empty-tags{font-size:9px;gap:10px}.analysis-cards{gap:8px}.analysis-cards>div{padding:13px 11px}.analysis-cards input,.analysis-cards select{font-size:27px}.analysis-cards small{font-size:11px}.analysis-cards label{font-size:10px}.transport{gap:10px;flex-wrap:wrap}.transport>span{font-size:11px}.trim-controls>div{flex:1;min-width:125px}.export-panel{flex-direction:column;align-items:stretch}.export-panel .primary{width:100%}footer{flex-wrap:wrap;font-size:10px}footer>span:nth-child(2){display:none}}
.track-row{display:flex;align-items:center;gap:3px}.track-row .track{min-width:0;flex:1}.failed-remove{border:0;background:none;color:#a9b29e;font-size:22px;padding:4px}input:disabled,select:disabled{opacity:.55}
@media(max-width:720px){.bpm-row{flex-wrap:wrap;gap:6px}.bpm-row input{flex-basis:100%;font-size:29px}.bpm-row>div{margin-bottom:6px}.analysis-cards select{font-size:27px}.analysis-cards label,.trim-controls label{font-size:12px}.trim-controls input,.trim-controls select,.text-button,.wave-header select{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* Locally hosted Material Symbols for controls and decorative icons. */
.material-symbols-rounded{flex-shrink:0;vertical-align:middle;font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24}
.primary .material-symbols-rounded,.secondary .material-symbols-rounded{font-size:20px;line-height:1}
.upload-icon .material-symbols-rounded{font-size:32px}
.material-symbols-rounded.empty-lines{font-size:40px;letter-spacing:normal}
.empty-record{background:none;box-shadow:none}
.empty-record>.material-symbols-rounded{font-size:88px;color:#8ba76b;font-variation-settings:'FILL' 1,'wght' 300,'GRAD' 0,'opsz' 48}
.icon-button,.play-button,.sample-row button,.failed-remove{display:inline-flex;align-items:center;justify-content:center}
.play-button{flex-shrink:0}
.play-button .material-symbols-rounded{font-variation-settings:'FILL' 1,'wght' 400,'GRAD' 0,'opsz' 24}
.sample-row button{padding:0 4px}
.sample-row .material-symbols-rounded,.failed-remove .material-symbols-rounded{font-size:20px}
footer a{display:inline-flex;align-items:center;gap:6px}
footer .material-symbols-rounded{font-size:16px}

/* Original BetrMuzic artwork, retaining its aspect ratio. */
.brand{flex-shrink:0}
.brand-logo{display:block;width:230px;height:auto}
.footer-brand{gap:10px}
.footer-brand .brand-logo{width:110px}
@media(max-width:720px){.brand-logo{width:180px}header{gap:12px}.footer-brand .brand-logo{width:100px}}
@media(max-width:360px){.brand-logo{width:150px}.local-badge{max-width:105px}}

.analysis-actions{display:flex;justify-content:flex-end;margin:0 0 14px}.analysis-actions .secondary{gap:8px;font-size:12px;padding:9px 12px}

.drop-meta{right:20px;line-height:1.5}@media(max-width:720px){.dropzone{padding-bottom:58px}}