:root{--paper:#f5f5f0;--white:#fff;--ink:#243c38;--muted:#778580;--line:#e3e8e3;--green:#2d635a;--pale:#e8f1ec;--amber:#b77a31;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:var(--ink);font-size:13px}*{box-sizing:border-box}body{margin:0;background:var(--paper);min-width:1120px}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:7px;padding:9px 13px;white-space:nowrap}button:hover{border-color:#a5bcb3;background:#f5f9f6}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--green);border-color:var(--green);color:white}button.primary:hover{background:#225148}input,select,textarea{border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);padding:9px;width:100%;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 2px #2d635a15}button:focus-visible,canvas:focus-visible{outline:2px solid var(--green);outline-offset:3px}.topbar{height:76px;display:flex;align-items:center;gap:18px;padding:0 26px;background:#fff;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;width:212px;flex-shrink:0}.brand>b{display:grid;place-items:center;background:var(--green);color:white;width:36px;height:38px;border-radius:10px;font-size:29px}.brand>span{font-weight:700;font-size:14px;letter-spacing:2px}.brand small{display:block;font-weight:400;font-size:10px;letter-spacing:3px;margin-top:3px;color:var(--muted)}#projectName{border:0;width:200px;font-size:18px;font-weight:600;padding:7px}.local-badge{font-size:10px;color:var(--amber);background:#f7efdf;border-radius:4px;padding:4px 7px}.muted{color:var(--muted);font-size:11px}.top-actions{margin-left:auto;display:flex;gap:9px}.workflow{height:60px;display:flex;align-items:center;gap:32px;padding:0 28px;border-bottom:1px solid var(--line);background:#fafbf8}.workflow>span,.workflow>button{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}.workflow>button{padding:0;border:0;background:transparent}.workflow i{font-style:normal;font-size:10px;border:1px solid #d6ded7;border-radius:50%;width:21px;height:21px;display:grid;place-items:center}.workflow .active{color:var(--green);font-weight:600}.workflow .active i{color:white;background:var(--green);border-color:var(--green)}.workflow small{margin-left:auto;color:var(--muted);font-size:11px}.workspace{display:grid;grid-template-columns:230px minmax(580px,1fr) 270px;min-height:calc(100vh - 176px)}.outline,.inspector{background:#fff;padding:22px 18px}.outline{border-right:1px solid var(--line);display:flex;flex-direction:column}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.panel-heading h2{font-size:13px;margin:0;font-weight:600}.panel-heading>button{font-size:11px;padding:4px 8px}.panel-heading>span{font-size:11px;color:var(--muted)}.phrase-list{max-height:calc(100vh - 355px);min-height:170px;overflow:auto}.section-heading{display:flex;align-items:center;gap:5px;margin:17px 0 8px;color:var(--muted);font-size:10px}.section-heading input{padding:3px 5px;border-color:transparent;font-size:11px;background:transparent}.section-heading input:focus{border-color:var(--line);background:#fff}.phrase-row{display:flex;align-items:center;text-align:left;gap:9px;width:100%;border:1px solid transparent;border-radius:7px;margin:4px 0;padding:10px 8px;background:transparent}.phrase-row.selected{background:var(--pale);border-color:#d2e3d7}.phrase-row .number{font-size:11px;color:var(--muted);width:20px}.phrase-row .row-text{min-width:0;flex:1}.phrase-row strong{font-weight:500;display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:143px}.phrase-row small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.dot{width:5px;height:5px;border-radius:50%;background:#d3d9d3;flex-shrink:0}.dot.complete{background:#528777}.add-phrase{margin-top:20px;background:#f8faf7;text-align:left;border-style:dashed}.add-phrase kbd{float:right}.side-note{font-size:10px;color:#8a958f;line-height:1.8;margin-top:auto;padding-top:28px}.editor{padding:24px 28px 20px;min-width:0}.score-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted)}h1{font-size:19px;letter-spacing:.5px;margin:7px 0 0;font-weight:600;max-width:500px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.score-heading button{font-size:11px}.score-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:10px}.score-toolbar select{font-size:11px;width:190px;padding:7px}.score-toolbar button{font-size:10px;padding:7px}.score-toolbar span{font-size:10px;color:var(--muted);margin-left:auto}.score-stage{height:clamp(250px,32vh,410px);position:relative;display:flex;align-items:center;justify-content:center;background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.score-stage canvas{width:100%;height:100%;touch-action:none;cursor:crosshair}.empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center}.empty-mark{font-size:40px;color:#8da99a}.empty h3{font-weight:500;font-size:14px;margin:8px 0}.empty p{font-size:11px;color:var(--muted);margin:3px 0 18px}.empty small{font-size:10px;color:#94a098;margin-top:14px}.score-caption{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;gap:10px;margin:10px 0 26px}.audio-panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px 17px}.audio-heading{display:flex;align-items:center;justify-content:space-between}.tabs{display:flex;gap:5px}.tabs button{border:0;background:transparent;padding:7px 12px;font-size:11px;color:var(--muted)}.tabs .selected{background:var(--pale);color:var(--green);font-weight:600}.audio-heading>button{font-size:10px;padding:6px 10px}.track-meta{display:flex;align-items:center;gap:8px;justify-content:space-between;color:var(--muted);font-size:10px;margin:17px 0 9px}.track-meta span:first-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:60%}.track-meta button{font-size:9px;padding:3px 6px;margin-left:auto}#waveCanvas{width:100%;height:76px;background:#f6f9f6;border-radius:4px;cursor:crosshair;display:block}.time-ruler{display:flex;justify-content:space-between;font-size:9px;color:#98a29b;margin-top:5px}.transport{display:flex;align-items:center;gap:9px;margin-top:17px}.transport button{font-size:10px;padding:7px 8px}.transport .play{width:33px;padding:7px;font-size:14px}.transport output{font:12px ui-monospace,Consolas,monospace;font-weight:600}.transport-gap{flex:1}kbd{font:9px inherit;color:#8f9c94;border:1px solid #dce3de;border-radius:3px;padding:1px 3px;margin-left:4px}.check{display:flex!important;align-items:center;gap:7px;font-size:10px!important;margin:0!important;white-space:nowrap}.check input{width:13px;height:13px;accent-color:var(--green);padding:0}.inspector{border-left:1px solid var(--line)}.inspector>label{display:block;font-size:11px;margin:17px 0;color:#62756b}.inspector label select,.inspector label textarea{margin-top:8px;font-size:12px}.inspector textarea{resize:vertical;min-height:80px}.label-line{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:22px 0 8px}.range-fields{display:flex;align-items:center;gap:10px}.range-fields label{font-size:10px;color:var(--muted);flex:1}.range-fields input{font:13px ui-monospace,Consolas,monospace;margin-top:5px;padding:9px 6px}.range-fields>span{margin-top:16px;color:#a6afa9}.wide{width:100%;font-size:11px;margin-top:11px}.help{font-size:10px;line-height:1.8;color:var(--muted)}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.inspector h3{font-size:11px;font-weight:500}.crop-preview{height:88px;background:#fafbf9;border:1px dashed #dae1d9;border-radius:6px;display:flex;align-items:center;justify-content:center;padding:8px;position:relative}.crop-preview canvas{max-width:100%;max-height:100%;object-fit:contain}.crop-preview span{color:#a1aca3;font-size:10px}.review{margin-top:14px!important}.completion{font-size:11px;color:var(--green);margin-bottom:20px}.danger{color:#a66d62;font-size:10px;background:transparent;border-color:transparent;padding:0}.danger:hover{background:transparent;color:#914e3e;border-color:transparent}footer{height:40px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:0 24px;background:#fff;font-size:10px;color:var(--muted)}footer span:first-child{max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}dialog{border:1px solid var(--line);border-radius:14px;width:min(1100px,90vw);max-height:90vh;padding:25px;box-shadow:0 20px 100px #182c3833}dialog::backdrop{background:#1a32286b;backdrop-filter:blur(3px)}.preview-header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px}.preview-header h2{font-size:21px;margin:6px 0 0}.preview-body{display:grid;grid-template-columns:200px 1fr;gap:30px;padding-top:24px}.preview-body>div{max-height:58vh;overflow:auto}.preview-body section{text-align:center;padding:20px 0}#lessonScore{max-height:310px;max-width:100%;object-fit:contain}#lessonLyric{font-size:24px;margin:25px 0}.lesson-controls{display:flex;justify-content:center;gap:16px}.lesson-controls button{font-size:14px;padding:12px 23px}[hidden]{display:none!important}@media(min-width:1600px){.workspace{grid-template-columns:255px minmax(580px,1fr) 300px}.editor{padding:30px 40px}.score-stage{height:38vh}.audio-panel{padding:20px 24px}#waveCanvas{height:96px}}@media(max-height:820px){.editor{padding:19px 22px}.score-caption{margin-bottom:17px}.score-stage{height:250px}.panel-heading{margin-bottom:17px}.inspector{padding:18px 16px}hr{margin:17px 0}.inspector>label{margin:13px 0}.inspector textarea{min-height:64px}.score-heading{margin-bottom:12px}}