:root{--bg: #0f0d0c;--surface: #17131180;--surface-solid: #1b1614;--line: #2a2422;--fg: #ece6e2;--muted: #9b8f88;--accent: #e8440a;--accent-dim: #e8440a33;font-family:JetBrains Mono,ui-monospace,Cascadia Code,Menlo,monospace;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}.app{max-width:1200px;margin:0 auto;padding:24px 20px 64px}.header{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:20px}.brand{display:flex;align-items:baseline;gap:12px}.logo{font-size:28px;font-weight:700;letter-spacing:-.02em;color:var(--fg)}.logo:after{content:"";display:inline-block;width:9px;height:9px;margin-left:3px;border-radius:2px;background:var(--accent)}.tag{color:var(--muted);font-size:13px}.filterbar{display:flex;gap:10px;margin-bottom:22px;flex-wrap:wrap}.filterbar input,.filterbar select{background:var(--surface-solid);border:1px solid var(--line);color:var(--fg);font:inherit;font-size:13px;padding:9px 11px;border-radius:8px}.filterbar .search{flex:1 1 240px}.filterbar input:focus,.filterbar select:focus{outline:none;border-color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.card{display:flex;flex-direction:column;gap:8px;text-align:left;background:var(--surface-solid);border:1px solid var(--line);border-radius:10px;padding:12px;cursor:pointer;color:inherit;font:inherit;transition:border-color .12s ease,transform .12s ease}.card:hover{border-color:var(--accent);transform:translateY(-2px)}.card-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.card-name{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{font-size:11px;color:var(--accent);background:var(--accent-dim);padding:2px 7px;border-radius:999px;flex:none}.pianoroll{width:100%;height:auto;display:block;border-radius:6px;border:1px solid var(--line)}.card-meta,.detail-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:11px}.empty{color:var(--muted);padding:40px 0;text-align:center}.error{color:var(--accent);background:var(--accent-dim);border:1px solid var(--accent);border-radius:8px;padding:10px 12px;font-size:13px}.footer{display:flex;align-items:center;justify-content:center;gap:16px;padding-top:24px}.more{background:var(--accent);color:#fff;border:none;font:inherit;font-size:13px;font-weight:500;padding:9px 18px;border-radius:8px;cursor:pointer}.loading,.count{color:var(--muted);font-size:12px}.detail-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000c0;display:flex;align-items:center;justify-content:center;padding:20px;z-index:10}.detail{background:var(--surface-solid);border:1px solid var(--line);border-radius:12px;padding:16px;width:min(600px,100%);max-height:min(86vh,360px);overflow-y:auto;display:flex;flex-direction:column;gap:10px}.detail-roll{width:100%;height:140px;flex:none}.detail-roll .pianoroll{height:100%}.detail-head{display:flex;align-items:center;justify-content:space-between}.detail-head h2{margin:0;font-size:17px}.close{background:none;border:none;color:var(--muted);font-size:22px;line-height:1;cursor:pointer}.transpose{display:flex;align-items:center;gap:10px;font-size:13px}.transpose button{background:var(--surface);border:1px solid var(--line);color:var(--fg);font:inherit;width:30px;height:30px;border-radius:7px;cursor:pointer}.transpose button:disabled{opacity:.4;cursor:default}.semis{min-width:54px;text-align:center;color:var(--accent)}.detail-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.detail-actions .copy{margin-left:auto}.copy{background:var(--accent);border:1px solid var(--accent);color:#fff;font:inherit;font-size:13px;font-weight:500;padding:7px 14px;border-radius:8px;cursor:pointer}.download{background:none;border:1px solid var(--line);color:var(--fg);font:inherit;font-size:13px;padding:7px 14px;border-radius:8px;cursor:pointer}.hint{color:var(--muted);font-size:11px;margin:0}.header{align-items:center}.brand{text-decoration:none}.nav{display:flex;align-items:center;gap:12px}.navlink{color:var(--muted);text-decoration:none;font-size:13px}.navlink:hover{color:var(--fg)}.navbtn{background:var(--accent);color:#fff;border:none;font:inherit;font-size:13px;padding:7px 14px;border-radius:8px;cursor:pointer;text-decoration:none}.authcard{max-width:380px;margin:48px auto;background:var(--surface-solid);border:1px solid var(--line);border-radius:12px;padding:24px}.authcard h1{font-size:20px;margin:0 0 16px}.authform{display:flex;flex-direction:column;gap:12px}.authform label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}.authform input{background:var(--bg);border:1px solid var(--line);color:var(--fg);font:inherit;font-size:14px;padding:9px 11px;border-radius:8px}.authform input:focus{outline:none;border-color:var(--accent)}.authbtn{background:var(--accent);color:#fff;border:none;font:inherit;font-size:14px;font-weight:500;padding:10px;border-radius:8px;cursor:pointer;margin-top:4px}.authbtn:disabled{opacity:.5;cursor:default}.authalt{color:var(--muted);font-size:13px;margin-top:16px;text-align:center}.authalt a{color:var(--accent)}.account{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px}.account dt{color:var(--muted)}.account dd{margin:0;color:var(--fg)}