:root{--bg: #12100e;--bg-2: #181512;--panel: #1d1a16;--panel-2: #24201b;--line: #342d26;--line-2: #463d33;--text: #f0e7d8;--muted: #a89c88;--dim: #6f6556;--brass: #d4a04c;--brass-2: #f0c777;--root: #e4572e;--root-2: #ff7a4d;--blue: #5d9ccc;--tone: #efe4cf;--display: "Fraunces", Georgia, serif;--sans: "IBM Plex Sans", system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace;--r: 10px;--r-lg: 16px}*{box-sizing:border-box;margin:0;padding:0}html{color-scheme:dark}body{font-family:var(--sans);font-size:15px;line-height:1.5;color:var(--text);background:radial-gradient(1200px 600px at 15% -10%,rgba(212,160,76,.07),transparent 60%),radial-gradient(900px 500px at 110% 10%,rgba(228,87,46,.05),transparent 60%),var(--bg);min-height:100vh;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");z-index:0}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.app{position:relative;z-index:1;max-width:1480px;margin:0 auto;padding:0 28px 48px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0 18px}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:40px;height:40px;flex:none}.brand h1{font-family:var(--display);font-weight:600;font-size:28px;letter-spacing:-.01em;line-height:1}.brand h1 em{font-style:italic;color:var(--brass);font-weight:500}.brand p{color:var(--muted);font-size:13px;margin-top:4px}.inst-tabs{display:flex;gap:4px;padding:4px;background:var(--bg-2);border:1px solid var(--line);border-radius:999px}.inst-tab{display:flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;color:var(--muted);font-weight:500;transition:color .15s,background .15s}.inst-tab svg{width:18px;height:18px}.inst-tab:hover{color:var(--text)}.inst-tab[aria-selected=true]{background:var(--text);color:var(--bg)}.panel{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 1px #ffffff08 inset,0 20px 40px -24px #000c}.panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 22px 14px;border-bottom:1px solid var(--line)}.panel-title{font-family:var(--display);font-size:21px;font-weight:600;letter-spacing:-.01em}.panel-sub{color:var(--muted);font-size:13px;margin-top:2px}.panel-body{padding:18px 22px 22px}.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}.controls{padding:18px 22px;display:grid;gap:14px;margin-bottom:20px}.control-row{display:grid;grid-template-columns:92px 1fr;align-items:center;gap:16px}.key-picker{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:6px;max-width:760px}.key-btn{height:40px;border-radius:8px;font-family:var(--mono);font-weight:600;font-size:15px;background:var(--bg-2);border:1px solid var(--line);color:var(--muted);transition:all .12s}.key-btn.is-black{background:#0d0b09}.key-btn:hover{color:var(--text);border-color:var(--line-2)}.key-btn[aria-pressed=true]{background:var(--root);border-color:var(--root-2);color:#fff;box-shadow:0 0 0 3px #e4572e2e}.scale-picker{display:flex;flex-wrap:wrap;gap:6px}.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg-2);color:var(--muted);font-size:14px;font-weight:500;transition:all .12s}.chip:hover{color:var(--text);border-color:var(--line-2)}.chip[aria-pressed=true]{background:var(--brass);border-color:var(--brass-2);color:#1a1408}.chip.small{padding:5px 11px;font-size:13px}.formula{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:14px;border-top:1px dashed var(--line)}.formula-notes{display:flex;gap:6px}.fnote{display:grid;justify-items:center;min-width:46px;padding:6px 8px 5px;border-radius:8px;background:var(--bg-2);border:1px solid var(--line);transition:transform .12s,background .12s}.fnote b{font-family:var(--mono);font-size:16px}.fnote span{font-family:var(--mono);font-size:11px;color:var(--muted)}.fnote.root{border-color:var(--root)}.fnote.root b{color:var(--root-2)}.fnote.blue{border-color:var(--blue)}.fnote.blue b{color:var(--blue)}.fnote.lit{transform:translateY(-3px);background:var(--panel-2);border-color:var(--brass)}.formula-text{flex:1;min-width:240px;color:var(--muted);font-size:14px}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;font-weight:600;font-size:14px;border:1px solid var(--line-2);background:var(--bg-2);color:var(--text);transition:all .12s;white-space:nowrap}.btn:hover{border-color:var(--brass)}.btn svg{width:14px;height:14px}.btn.primary{background:var(--brass);color:#1a1408;border-color:var(--brass-2)}.btn.primary:hover{background:var(--brass-2)}.btn.ghost{background:transparent}.seg{display:inline-flex;padding:3px;gap:2px;background:var(--bg-2);border:1px solid var(--line);border-radius:999px}.seg button{padding:6px 12px;border-radius:999px;font-size:13px;color:var(--muted);font-weight:500}.seg button:hover{color:var(--text)}.seg button[aria-pressed=true]{background:var(--panel-2);color:var(--text);box-shadow:0 0 0 1px var(--line-2)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:20px;align-items:start}.stage-col{display:grid;gap:20px;min-width:0}.player-col{position:sticky;top:16px}@media (max-width: 1180px){.workspace{grid-template-columns:1fr}.player-col{position:static}}@media (max-width: 760px){.app{padding:0 14px 32px}.topbar{flex-direction:column;align-items:flex-start}.control-row{grid-template-columns:1fr;gap:8px}}.fretboard-wrap{overflow-x:auto;padding-bottom:6px}.fretboard{display:block;width:100%;min-width:860px;height:auto;-webkit-user-select:none;user-select:none}.fb-cell{cursor:pointer}.fb-cell .hit{fill:transparent}.fb-cell:hover .hit{fill:#f0e7d80f}.fb-note{transition:transform .12s;transform-box:fill-box;transform-origin:center}.fb-cell:hover .fb-note{transform:scale(1.12)}.fb-note.lit{transform:scale(1.3)}.fb-note.dim{opacity:.22}.legend{display:flex;gap:18px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px;margin-top:14px}.legend i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:6px;vertical-align:-1px}.legend .hint{margin-left:auto;color:var(--dim)}.keytar{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:stretch}.wheels{display:flex;gap:14px;padding:14px;border-radius:12px;background:#0d0b09;border:1px solid var(--line)}.wheel{display:grid;justify-items:center;gap:8px}.wheel svg{width:44px;height:150px;cursor:ns-resize;touch-action:none}.wheel label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--dim);text-transform:uppercase}.wheel output{font-family:var(--mono);font-size:12px;color:var(--brass);min-width:4ch;text-align:center}.piano-wrap{overflow-x:auto}.piano{display:block;width:100%;min-width:720px;height:auto;-webkit-user-select:none;user-select:none;touch-action:none}.pkey{cursor:pointer}.kbd-hint{color:var(--dim);font-size:13px;margin-top:12px}.kbd-hint kbd{font-family:var(--mono);font-size:11px;padding:1px 6px;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:4px;color:var(--muted)}.sax-grid{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}@media (max-width: 900px){.sax-grid{grid-template-columns:1fr}}.sax-big{display:grid;justify-items:center;gap:10px;padding:16px 12px;border-radius:14px;background:radial-gradient(circle at 50% 0%,rgba(212,160,76,.1),transparent 70%),#0e0c0a;border:1px solid var(--line)}.sax-big svg{width:135px;height:auto}.sax-big .btn{padding:6px 13px;font-size:13px;margin-top:4px}.sax-note-head{text-align:center}.sax-note-head .written{font-family:var(--display);font-size:40px;font-weight:600;line-height:1}.sax-note-head .concert{font-size:13px;color:var(--muted);margin-top:4px}.sax-tip{color:var(--muted);font-size:14px;max-width:46ch}.sax-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.sax-mini{display:grid;justify-items:center;gap:4px;padding:10px 8px 8px;border-radius:10px;border:1px solid var(--line);background:var(--bg-2);transition:border-color .12s,transform .12s;min-width:64px}.sax-mini:hover{border-color:var(--line-2)}.sax-mini[aria-pressed=true]{border-color:var(--brass);background:var(--panel-2)}.sax-mini.lit{transform:translateY(-3px);border-color:var(--brass-2)}.sax-mini svg{width:38px;height:auto}.sax-mini b{font-family:var(--mono);font-size:14px}.sax-mini small{font-family:var(--mono);font-size:10px;color:var(--muted)}.sax-mini.root b{color:var(--root-2)}.sax-mini.blue b{color:var(--blue)}.info-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.info-box{padding:12px 14px;border-radius:10px;background:var(--bg-2);border:1px solid var(--line)}.info-box .v{font-family:var(--mono);font-size:20px;font-weight:600;margin-top:2px}.tech-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}.tech{display:grid;grid-template-rows:auto auto 1fr auto;gap:10px;padding:14px;border-radius:12px;background:var(--bg-2);border:1px solid var(--line);transition:border-color .15s}.tech:hover{border-color:var(--line-2)}.tech-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.tech-head h3{font-size:15px;font-weight:600}.tech-sign{font-family:var(--mono);font-size:11px;color:var(--brass);border:1px solid var(--line-2);border-radius:4px;padding:1px 6px}.curve{width:100%;height:64px;display:block;border-radius:8px;background:#0d0b09}.curve .grid{stroke:#241f1a}.curve .path{fill:none;stroke:var(--brass);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.curve .playhead{stroke:var(--root-2);stroke-width:1.5}.tech p{color:var(--muted);font-size:13.5px}.tech .tip{font-size:12.5px;color:var(--text);opacity:.85;border-left:2px solid var(--brass);padding-left:10px}.tech-foot{display:flex;justify-content:space-between;align-items:center}.player .panel-body{display:grid;gap:16px}.video{position:relative;aspect-ratio:16 / 9;border-radius:12px;overflow:hidden;background:#000;border:1px solid var(--line)}.video iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.url-form{display:flex;gap:8px}.url-form input{flex:1;min-width:0;padding:9px 14px;border-radius:999px;background:var(--bg-2);border:1px solid var(--line);font-size:14px;outline:none}.url-form input:focus{border-color:var(--brass)}.url-form input::placeholder{color:var(--dim)}.form-error{color:var(--root-2);font-size:13px;margin-top:-8px}.track-filter{display:flex;gap:6px;flex-wrap:wrap}.tracks{display:grid;gap:4px;max-height:420px;overflow-y:auto;margin:0 -6px;padding:0 6px}.track{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px;padding:8px;border-radius:10px;text-align:left;border:1px solid transparent;transition:background .12s,border-color .12s}.track:hover{background:var(--bg-2)}.track[aria-current=true]{background:var(--panel-2);border-color:var(--line-2)}.track-key{display:grid;place-items:center;height:44px;border-radius:8px;font-family:var(--mono);font-weight:600;font-size:14px;background:#0d0b09;border:1px solid var(--line)}.track[aria-current=true] .track-key{background:var(--root);border-color:var(--root-2);color:#fff}.track-title{font-weight:600;font-size:14px;line-height:1.3}.track-meta{color:var(--dim);font-size:12px}.track-feel{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.track-feel svg{width:14px;height:14px;color:var(--root-2);display:block}.player-note{color:var(--dim);font-size:12.5px}.player-note a{color:var(--brass)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:8px}::-webkit-scrollbar-track{background:transparent}