:root{--bg:#08111f;--panel:#101e30;--panel2:#14263a;--line:#294158;--text:#f1f5f8;--muted:#91a5b9;--gold:#e5b866;--gold2:#f5d792;--cyan:#73d4d2}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;min-height:100vh;overflow-x:hidden}.glow{position:fixed;border-radius:50%;filter:blur(100px);opacity:.14;pointer-events:none}.glow-one{width:380px;height:380px;background:#179eae;top:8%;right:-160px}.glow-two{width:420px;height:420px;background:#d79633;bottom:-220px;left:-170px}.topbar{height:76px;border-bottom:1px solid #182a3d;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1140px)/2));position:relative;z-index:1}.brand{font-weight:700;font-size:17px;color:var(--text);text-decoration:none;letter-spacing:-.3px}.brand-mark{color:var(--gold);font-size:28px;vertical-align:-3px;margin-right:10px}.gold{color:var(--gold)}.local-pill{color:var(--cyan);border:1px solid #24545d;background:#0d202a;padding:7px 12px;border-radius:20px;font-size:12px}.local-pill i{width:6px;height:6px;background:var(--cyan);display:inline-block;border-radius:50%;margin-right:6px}.shell{max-width:1140px;margin:auto;padding:72px 24px 30px}.hero{max-width:650px}.eyebrow{color:var(--gold);letter-spacing:2.2px;font-size:11px;font-weight:700;margin-bottom:17px}.hero h1{font:700 clamp(48px,7vw,80px)/.95 'Playfair Display',serif;letter-spacing:-3px;margin:0 0 21px}.hero em{font-style:normal;color:var(--gold)}.hero p{font-size:17px;line-height:1.6;color:var(--muted);max-width:500px}.privacy{margin:46px 0 26px;background:#0d2530;border:1px solid #22505a;border-radius:12px;padding:15px 19px;display:flex;align-items:center;gap:13px;max-width:570px}.lock{color:var(--cyan);font-size:23px}.privacy strong,.privacy small{display:block}.privacy strong{font-size:13px}.privacy small{color:#83a7ad;font-size:11px;margin-top:3px}.arrow{margin-left:auto;color:var(--cyan)}.workspace{background:rgba(12,26,42,.84);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 25px 80px #02070d66}.tabs{display:flex;border-bottom:1px solid var(--line)}button{font:inherit;color:inherit;cursor:pointer}.tab{border:0;background:transparent;text-align:left;display:flex;gap:13px;align-items:center;padding:18px 24px;flex:1;color:var(--muted);border-bottom:2px solid transparent}.tab>span{font-size:25px;color:#7690a7}.tab strong,.tab small{display:block}.tab strong{font-size:14px}.tab small{font-size:11px;margin-top:3px}.tab.active{color:var(--text);background:#14253a;border-bottom-color:var(--gold)}.tab.active>span{color:var(--gold)}.panel,.result{padding:34px 36px}.panel-heading,.result-head{display:flex;justify-content:space-between;align-items:flex-start}.step{color:var(--gold);font:700 11px monospace;letter-spacing:1px}.panel h2,.result h2{font:600 24px 'Playfair Display',serif;margin:6px 0 5px}.panel-heading p{color:var(--muted);font-size:13px;margin:0}.format{color:#7891a5;font-size:10px;margin-top:8px}.dropzone{height:190px;border:1px dashed #416078;border-radius:12px;margin:28px 0 23px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;background:#102135;transition:.2s}.dropzone:hover,.dropzone.drag{border-color:var(--gold);background:#162b40}.dropzone input{display:none}.upload-icon{color:var(--gold);font-size:28px;line-height:1}.dropzone strong{font-size:14px}.dropzone span:not(.upload-icon){font-size:12px;color:var(--muted)}u{color:var(--gold2);text-underline-offset:3px}.filename{color:var(--cyan)!important;max-width:90%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.options{display:flex;gap:20px;flex-wrap:wrap}.options label{font-size:11px;color:var(--muted);flex:1;min-width:180px}.options select,.options output{display:block;width:100%;margin-top:8px;padding:12px;background:#0b1726;color:var(--text);border:1px solid var(--line);border-radius:7px;font-size:12px}.options output{border:0;padding:0;color:var(--gold2);margin-bottom:7px}.options input{width:100%;accent-color:var(--gold)}.action-row{display:flex;align-items:center;gap:14px;margin-top:28px}.primary{border:0;background:var(--gold);color:#172130;font-weight:700;font-size:13px;padding:13px 17px;border-radius:7px;box-shadow:0 7px 20px #e5b86625}.primary span{font-size:18px;margin-left:15px}.demo-note{color:#71879a;font-size:11px}.hidden{display:none!important}.audio-hint{display:flex;gap:12px;padding:13px 15px;border:1px solid #2b4b59;background:#102630;border-radius:8px}.audio-hint>span{color:var(--cyan);font-size:24px}.audio-hint strong,.audio-hint small{display:block}.audio-hint strong{font-size:12px}.audio-hint small{font-size:11px;color:var(--muted);margin-top:3px}.result{border-top:1px solid var(--line);background:#0b1929}.reset{border:1px solid var(--line);background:transparent;color:var(--muted);padding:8px 11px;border-radius:6px;font-size:11px}.result-card{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.player,.sheet{background:#12253a;border:1px solid #34506a;border-radius:10px}.player{padding:22px;min-width:260px;flex:1}.play{width:42px;height:42px;border-radius:50%;border:0;background:var(--gold);color:#122; font-size:18px}.player-line{height:4px;background:#405b71;border-radius:3px;margin:19px 0 8px}.player-line i{display:block;width:32%;height:100%;background:var(--gold)}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.sheet{padding:20px;color:#17283a;background:#f4eee0;min-width:280px;flex:1}.sheet .staff{font:28px Georgia,serif;letter-spacing:7px;border-bottom:2px solid #2e3b43;line-height:1.1;padding:6px 0}.sheet .notes{font:26px Georgia,serif;letter-spacing:17px;margin-left:20px}.result-actions{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}.export{background:transparent;border:1px solid #416078;border-radius:6px;padding:9px 12px;font-size:11px;color:var(--text)}.export:hover{border-color:var(--gold);color:var(--gold2)}.tips{padding:68px 0 35px}.tips-title{display:flex;gap:14px;align-items:flex-start}.tips-title>span{color:var(--gold);font-size:25px}.tips h2{font:600 25px 'Playfair Display',serif;margin:0 0 4px}.tips-title p{color:var(--muted);margin:0;font-size:13px}.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}.tip-grid article{border-top:1px solid var(--line);padding-top:15px}.tip-grid b{font:11px monospace;color:var(--gold);display:block;margin-bottom:10px}.tip-grid strong{font-size:13px}.tip-grid p{color:var(--muted);font-size:12px;line-height:1.5;margin:8px 0}footer{border-top:1px solid #182a3d;color:#60778b;font-size:11px;display:flex;justify-content:space-between;padding:22px max(24px,calc((100% - 1140px)/2)) 30px}@media(max-width:650px){.shell{padding-top:45px}.panel,.result{padding:25px 19px}.tabs{display:block}.tab{width:100%}.tip-grid{grid-template-columns:1fr}.privacy{margin-top:32px}.format{display:none}footer{display:block;line-height:2}}