:root{--bg: #0e1117;--panel: #161b22;--panel-2: #1b2230;--border: #2a3240;--text: #e6edf3;--text-dim: #8b949e;--accent: #1f6feb;--danger: #f85149;--grid-line: rgba(255, 255, 255, .055);--ruler-h: 34px;color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;color:var(--text)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg)}body.is-dragging,body.is-dragging .lane,body.is-dragging .block{cursor:grabbing!important;-webkit-user-select:none;user-select:none}button{font-family:inherit;cursor:pointer}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.workspace{flex:1;display:flex;min-height:0}.toolbar{display:flex;align-items:center;gap:14px;padding:0 14px;height:52px;flex-shrink:0;background:var(--panel);border-bottom:1px solid var(--border)}.toolbar__group{display:flex;align-items:center;gap:8px}.toolbar__group--grow{flex:1;min-width:0}.toolbar__group--zoom{gap:4px}.brand{font-weight:700;font-size:15px;white-space:nowrap}.toolbar__name{background:var(--bg);border:1px solid var(--border);border-radius:7px;color:var(--text);padding:7px 10px;font-size:14px;max-width:280px;width:100%}.toolbar__name:focus{outline:none;border-color:var(--accent)}.toolbar__zoom{min-width:46px;text-align:center;color:var(--text-dim);font-variant-numeric:tabular-nums}.icon-btn{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;width:30px;height:30px;font-size:15px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.icon-btn:hover:not(:disabled){background:var(--panel-2);border-color:#3b475a}.icon-btn:disabled{opacity:.35;cursor:default}.icon-btn--on{background:#1f6feb40;border-color:var(--accent);color:#fff}.track-header--dimmed{opacity:.4;transition:opacity .15s ease}.text-btn{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:7px 12px;font-size:13px}.text-btn:hover:not(:disabled){background:var(--panel-2);border-color:#3b475a}.text-btn:disabled{opacity:.4;cursor:default}.text-btn--danger{color:var(--danger);border-color:#f8514966}.text-btn--danger:hover:not(:disabled){background:#f851491f}.pill{background:var(--bg);border:1px solid var(--border);color:var(--text-dim);border-radius:999px;padding:6px 12px;font-size:12px}.pill--on{color:#fff;background:#1f6feb2e;border-color:var(--accent)}.menu{position:relative}.menu__summary{list-style:none;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:7px 12px;font-size:13px;-webkit-user-select:none;user-select:none}.menu__summary::-webkit-details-marker{display:none}.menu__summary:hover{background:var(--panel-2)}.menu__panel{position:absolute;top:calc(100% + 6px);left:0;z-index:50;width:280px;max-height:70vh;overflow-y:auto;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:8px;box-shadow:0 12px 30px #00000080}.menu__section-label,.menu__rule+.menu__action{margin-top:2px}.menu__section-label{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim);padding:4px 6px}.menu__item-row{display:flex;align-items:center;gap:4px}.menu__item{flex:1;text-align:left;background:transparent;border:none;color:var(--text);padding:7px 8px;border-radius:6px;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu__item:hover{background:#ffffff0f}.menu__item--active{color:#fff;font-weight:600}.menu__rule{border:none;border-top:1px solid var(--border);margin:8px 0}.menu__action{display:block;width:100%;text-align:left;background:transparent;border:none;color:var(--text);padding:8px;border-radius:6px;font-size:13px}.menu__action:hover{background:#ffffff0f}.legend{display:flex;align-items:center;gap:8px;padding:8px 14px;flex-shrink:0;background:var(--panel-2);border-bottom:1px solid var(--border);overflow-x:auto}.legend__caption{color:var(--text-dim);font-size:12px;white-space:nowrap}.chip{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);border-radius:999px;padding:4px 10px;font-size:12px;white-space:nowrap}.chip__dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}.chip--on .chip__dot{display:none}.chip__count{opacity:.65;font-variant-numeric:tabular-nums}.legend__clear{margin-left:4px;padding:4px 10px}.timeline{flex:1;min-width:0;overflow:auto;background:var(--bg);position:relative}.timeline__inner{position:relative;min-width:100%}.timeline__row{display:flex;align-items:stretch}.timeline__row--ruler{position:sticky;top:0;z-index:20}.timeline__corner{flex:0 0 var(--header-w);width:var(--header-w);height:var(--ruler-h);position:sticky;left:0;z-index:30;background:var(--panel);border-right:1px solid var(--border);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 10px}.timeline__corner-label{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em}.ruler{position:relative;height:var(--ruler-h);flex:0 0 auto;background:var(--panel);border-bottom:1px solid var(--border)}.ruler__tick{position:absolute;top:0;bottom:0;border-left:1px solid var(--grid-line)}.ruler__label{position:absolute;left:5px;top:9px;font-size:11px;color:var(--text-dim);white-space:nowrap;font-variant-numeric:tabular-nums}.track-header{flex:0 0 var(--header-w);width:var(--header-w);position:sticky;left:0;z-index:10;background:var(--panel);border-right:1px solid var(--border);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;padding:0 8px 0 10px;cursor:pointer}.track-header--selected{background:var(--panel-2);box-shadow:inset 3px 0 0 var(--accent)}.track-header__dot{width:12px;height:12px;border-radius:3px;flex-shrink:0}.track-header__main{flex:1;min-width:0}.track-header__name{display:block;font-weight:600;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-header__input{width:100%;background:var(--bg);border:1px solid var(--accent);border-radius:5px;color:var(--text);padding:4px 6px;font-size:13px}.track-header__actions{display:flex;gap:2px}.track-header__actions .icon-btn{width:24px;height:24px;font-size:13px;background:transparent;border-color:transparent}.track-header__actions .icon-btn:hover:not(:disabled){background:var(--bg);border-color:var(--border)}.lane{position:relative;flex:0 0 auto;border-bottom:1px solid var(--border);overflow:hidden}.lane--drop{box-shadow:inset 0 0 0 2px #1f6feb80}.lane--dimmed{opacity:.3;transition:opacity .15s ease}.lane__boundary{position:absolute;top:0;bottom:0;border-left:2px dashed rgba(245,158,11,.55);pointer-events:none}.block{position:absolute;top:4px;bottom:4px;border-radius:6px;padding:0 6px;display:flex;align-items:center;font-size:12px;font-weight:600;cursor:grab;overflow:hidden;-webkit-user-select:none;user-select:none;box-shadow:0 1px 2px #00000059;transition:opacity .12s ease}.block:hover{filter:brightness(1.08)}.block--narrow{padding:0 2px;justify-content:center}.block--selected{outline:2px solid #fff;outline-offset:-1px;z-index:4}.block--dimmed{opacity:.22}.block--dragging{pointer-events:none;z-index:6;cursor:grabbing;box-shadow:0 6px 18px #00000080}.block__label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;pointer-events:none}.block__input{flex:1;width:100%;min-width:0;background:#00000040;border:none;border-radius:3px;color:inherit;font:inherit;padding:2px 4px}.block__input:focus{outline:1px solid rgba(255,255,255,.6)}.block__handle{position:absolute;top:0;bottom:0;width:8px;cursor:ew-resize}.block__handle--l{left:0}.block__handle--r{right:0}.block__subbeats{position:absolute;left:0;right:0;bottom:0;height:6px;pointer-events:none}.block__subbeat{position:absolute;bottom:0;height:6px;border-radius:2px 2px 0 0;box-shadow:0 0 0 1px #00000059}.block:hover .block__handle{background:#0000002e}.timeline__row--add{position:sticky;left:0}.timeline__addtrack{flex:0 0 var(--header-w);width:var(--header-w);position:sticky;left:0;padding:8px 10px}.timeline__addtrack .text-btn{width:100%}.inspector{width:304px;flex-shrink:0;background:var(--panel);border-left:1px solid var(--border);overflow-y:auto}.inspector__body{padding:16px;display:flex;flex-direction:column;gap:14px}.inspector__title{margin:0;font-size:16px}.inspector__hint{margin:0;color:var(--text-dim);font-size:13px;line-height:1.5}.inspector__meta{margin:-4px 0 0;color:var(--text-dim);font-size:12px;font-variant-numeric:tabular-nums}.inspector__actions{display:flex;gap:8px}.inspector__actions .text-btn{flex:1}.inspector__delete{width:100%}.inspector__rule{border:none;border-top:1px solid var(--border);margin:4px 0}.field{display:flex;flex-direction:column;gap:5px}.field__label{font-size:12px;color:var(--text-dim)}.field__input{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:8px 10px;font-size:13px;font-family:inherit;width:100%}.field__input:focus{outline:none;border-color:var(--accent)}.field__textarea{resize:vertical;line-height:1.45}.field-row{display:flex;gap:10px}.field-row .field{flex:1}.field__numwrap{position:relative;display:flex;align-items:center}.field__suffix{position:absolute;right:10px;color:var(--text-dim);font-size:12px;pointer-events:none}.field--check{flex-direction:row;align-items:center;gap:8px;font-size:13px}.field--check input{width:16px;height:16px}.swatches{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}.swatch{width:100%;aspect-ratio:1;border-radius:5px;border:1px solid rgba(255,255,255,.15);padding:0;position:relative;overflow:hidden}.swatch--on{outline:2px solid #fff;outline-offset:1px}.swatch--custom{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ef4444,#3b82f6,#22c55e)}.swatch--custom input[type=color]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.palette-mgr{display:flex;flex-direction:column;gap:8px}.palette-row{display:flex;align-items:center;gap:8px}.palette-row .swatch--custom{width:26px;height:26px;flex-shrink:0}.palette-row__name{flex:1;min-width:0;padding:6px 8px}.preset-row{cursor:grab}.preset-row:active{cursor:grabbing}.preset-row__grip{color:var(--text-dim);font-size:13px;cursor:grab;-webkit-user-select:none;user-select:none}.preset-row__dur{width:52px;flex:0 0 auto;padding:6px 4px;text-align:center}.subbeats{display:flex;flex-direction:column;gap:6px}.subbeats__head{display:flex;align-items:center;justify-content:space-between}.subbeat-row{display:flex;align-items:center;gap:6px}.subbeat-row .field__input{flex:1;padding:6px 8px}.template-action{display:flex;flex-direction:column;align-items:flex-start;gap:1px}.template-action__name{font-weight:600}.template-action__desc{font-size:11px;color:var(--text-dim)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:100%;max-width:560px;max-height:85vh;overflow-y:auto;box-shadow:0 24px 60px #0009}.modal__head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--panel)}.modal__head h2{margin:0;font-size:17px}.modal__body{padding:18px;line-height:1.6}.modal__body h3{margin:18px 0 6px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim)}.modal__body ul{margin:0;padding-left:18px}.modal__body li{margin:4px 0}.modal__foot{margin-top:16px;color:var(--text-dim);font-size:13px}kbd{background:var(--bg);border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;padding:1px 6px;font-size:11px;font-family:inherit}.seg{gap:0;border:1px solid var(--border);border-radius:7px;overflow:hidden}.seg__btn{background:var(--bg);border:none;color:var(--text-dim);padding:7px 12px;font-size:13px}.seg__btn--on{background:var(--panel-2);color:#fff}.seg__btn+.seg__btn{border-left:1px solid var(--border)}.legend__divider{width:1px;align-self:stretch;background:var(--border);margin:2px 4px}.check-list{display:flex;flex-direction:column;gap:5px;max-height:170px;overflow-y:auto}.check-item{display:flex;align-items:center;gap:7px;font-size:13px}.char-dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}.timeline__corner--tension{height:96px;align-items:flex-start;padding-top:10px;color:var(--text);font-weight:600}.tension{position:relative;flex:0 0 auto;background:var(--panel-2);border-bottom:1px solid var(--border)}.tension__svg{display:block}.tension__grid{stroke:var(--grid-line);stroke-width:1}.tension__area{fill:#f59e0b21;stroke:none}.tension__line{fill:none;stroke:#f59e0b;stroke-width:2}.tension__dot{fill:#f59e0b}.tension__empty{position:absolute;top:50%;left:14px;transform:translateY(-50%);color:var(--text-dim);font-size:12px}.board{flex:1;min-width:0;overflow:auto;display:flex;gap:14px;padding:16px;align-items:flex-start;background:var(--bg)}.board__col{flex:0 0 264px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:8px;min-height:140px}.board__col-head{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13px;padding:2px 2px 8px;border-bottom:1px solid var(--border)}.board__count{margin-left:auto;color:var(--text-dim);font-variant-numeric:tabular-nums}.board__filler{flex:1;min-width:40px;align-self:stretch}.card{background:var(--panel-2);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:8px;padding:8px 10px;cursor:grab}.card:active{cursor:grabbing}.card--selected{outline:2px solid #fff;outline-offset:-1px}.card__title{font-weight:600;font-size:13px}.card__meta{font-size:11px;color:var(--text-dim);margin-top:2px}.card__synopsis{font-size:12px;color:var(--text);opacity:.82;margin-top:6px;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card__chars{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.card__char{font-size:10px;padding:1px 6px;border-radius:999px}