:root{color-scheme:dark;--bg:#0c0b19;--panel:#161526;--line:#343046;--cyan:#65f5d4;--pink:#ff62c3;--gold:#ffd778;--muted:#9e98b2}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 20% 0,#39234d55,transparent 65%),var(--bg);color:#f8f5ff;font:14px system-ui,sans-serif}header{height:82px;margin:0 34px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:30px}a{color:var(--cyan);text-decoration:none}header b{font-size:20px;letter-spacing:2px}em{font-style:normal;color:var(--cyan)}header span{margin-left:auto;font-size:11px;letter-spacing:2px;color:var(--muted)}main{padding:30px 34px;max-width:1800px;margin:auto}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px}small{font-size:10px;letter-spacing:2.5px;color:var(--pink)}h1{margin:9px 0 10px;font-size:32px}p{color:var(--muted);line-height:1.7;margin:6px 0}button,select,input{font:inherit;color:inherit}button{background:#242136;border:1px solid #4b435d;border-radius:6px;padding:10px 13px;cursor:pointer;white-space:nowrap}button:hover{border-color:var(--cyan)}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.primary{background:var(--cyan);color:#102723;border-color:var(--cyan);font-weight:800}.actions{display:flex;gap:8px}.toolbar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;padding:13px;background:var(--panel);border:1px solid var(--line);border-radius:8px;margin-bottom:18px}.toolbar label{display:flex;align-items:center;gap:5px;font-size:12px;color:#d6cfe5}.toolbar input[type=number]{width:85px}input,select{background:#0c0c18;border:1px solid var(--line);border-radius:4px;padding:7px}input[type=checkbox]{accent-color:var(--cyan)}input[type=range]{width:95px;accent-color:var(--pink);padding:0}#clock{font:600 17px ui-monospace,monospace;color:var(--gold);width:108px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px}.board,aside{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.track-top{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;font-size:12px;border-bottom:1px solid var(--line)}#counts{color:var(--muted)}#scroller{overflow-x:auto;overscroll-behavior-x:contain}#timeline{position:relative;min-width:100%;padding-bottom:16px;background-image:repeating-linear-gradient(90deg,transparent,transparent calc(var(--beat) - 1px),#ffffff0b calc(var(--beat) - 1px),#ffffff0b var(--beat))}#ruler{height:38px;position:relative;border-bottom:1px solid var(--line);cursor:crosshair}.tick{position:absolute;top:0;height:38px;border-left:1px solid #60556f;padding:10px 5px;color:#bdb1cf;font-size:10px;pointer-events:none}#wave{height:60px;width:100%;display:block;opacity:.8}#lyricMarkers{height:35px;position:relative;border-bottom:1px solid var(--line);overflow:hidden}.lyric-tag{position:absolute;white-space:nowrap;font-size:10px;color:#a49ab5;max-width:155px;overflow:hidden;text-overflow:ellipsis;padding:9px 4px;border-left:1px solid #9d79a3}.lane{height:100px;position:relative;border-bottom:1px solid #4e3e5655;touch-action:none;cursor:crosshair}.big{background:#ffd77806}.small{background:#ff62c306}.lane-label{position:sticky;left:0;z-index:3;display:inline-block;font-size:10px;pointer-events:none;background:#161526dc;padding:5px 8px;color:var(--gold)}.small .lane-label{color:var(--pink)}.note{position:absolute;top:39px;height:24px;width:24px;border-radius:3px;padding:0;transform:translateX(-12px) rotate(45deg);background:var(--gold);border:2px solid #ffeab4;cursor:grab;touch-action:none;z-index:2}.small .note{background:var(--pink);border-color:#ffb6e2;width:18px;height:18px;top:42px;transform:translateX(-9px) rotate(45deg)}.note.selected{outline:3px solid var(--cyan);outline-offset:4px}.note.long{transform:none;top:41px;height:20px;min-width:24px;border-radius:4px;background:linear-gradient(90deg,#ffd778,#9a7046);border-color:#ffe4a3}.small .note.long{background:linear-gradient(90deg,#ff62c3,#853c6e);border-color:#ffafe0;top:41px;transform:none;height:20px}.tail{position:absolute;right:-6px;top:0;width:12px;height:100%;background:#fff;border:2px solid #957779;border-radius:50%;cursor:ew-resize}#playhead{position:absolute;width:2px;top:0;bottom:0;background:var(--cyan);box-shadow:0 0 12px #65f5d477;pointer-events:none;z-index:4}#status{padding:12px 16px;color:var(--muted);font-size:12px;min-height:42px}.preview-heading{padding:12px 16px;border-top:1px solid var(--line);font-size:10px;letter-spacing:2px;color:var(--cyan)}.preview-heading span{float:right;color:var(--muted);letter-spacing:0}#preview{width:100%;display:block;background:#0a0815;aspect-ratio:1200/160}aside{padding:20px}h2{font-size:21px;margin:8px 0 20px}h3{font-size:13px;color:var(--cyan)}.seg{display:flex;gap:7px;margin:10px 0}.seg button{flex:1}.seg .selected{border-color:var(--cyan);background:#2a4844}.gold{color:var(--gold)}.pink{color:var(--pink)}.hint{font-size:11px;line-height:1.9;margin:14px 0}aside label{display:block;color:#bfb5cf;font-size:12px;margin:12px 0}aside input{display:block;width:100%;margin-top:8px}aside #apply,aside #delete{width:100%;margin:4px 0}.lengths{gap:4px}.lengths button{font-size:10px;padding:8px 3px}.danger{color:#ff99b3}.templates{display:flex;flex-wrap:wrap;gap:6px}.templates button{font-size:11px;padding:8px}hr{border:0;border-top:1px solid var(--line);margin:22px 0}#menu{position:fixed;z-index:30;background:#211d32;border:1px solid var(--cyan);padding:6px;border-radius:6px}#menu button{display:block;border:0;width:100%;text-align:left;background:none}#menu[hidden]{display:none}@media(max-width:1000px){.heading{display:block}.actions{margin-top:18px}.workspace{grid-template-columns:1fr}.toolbar{gap:6px}}@media(max-width:600px){header{margin:0 14px;gap:12px}header b{font-size:13px}header span{display:none}main{padding:22px 14px}h1{font-size:26px}.actions{flex-wrap:wrap}}