*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f5;--sidebar-bg: #ffffff;--border: #ddd;--accent: #2563eb;--accent-hover: #1d4ed8;--text: #1a1a1a;--text-muted: #666;--panel-gap: 16px;--sidebar-width: 310px}body{font-family:system-ui,-apple-system,sans-serif;font-size:14px;color:var(--text);background:var(--bg);height:100dvh;overflow:hidden}#app{display:flex;height:100dvh}#sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid var(--border);overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:4px}.sidebar-top{display:flex;flex-direction:column;gap:8px}.sidebar-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.about-btn{flex:none;width:24px;height:24px;padding:0;font-size:15px;line-height:1;border:1px solid var(--border);border-radius:50%;background:#fff;color:var(--text-muted)}.about-btn:hover{border-color:var(--accent);color:var(--accent)}.library-open-btn{align-self:flex-start;font-size:12px;padding:5px 10px;background:#fff;border:1px solid var(--border);color:var(--text)}.library-open-btn:hover{border-color:var(--accent);color:var(--accent)}.drawer-backdrop{position:fixed;inset:0;background:#00000059;z-index:40}.drawer-backdrop[hidden]{display:none}.library-drawer{position:fixed;top:0;left:0;height:100dvh;width:340px;max-width:88vw;background:var(--sidebar-bg);border-right:1px solid var(--border);box-shadow:4px 0 16px #0000001f;transform:translate(-100%);transition:transform .22s ease;z-index:50;display:flex;flex-direction:column}.library-drawer.open{transform:translate(0)}.library-drawer-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border-bottom:1px solid var(--border)}.library-drawer-header h2{margin:0;font-size:15px}.drawer-close{width:30px;height:30px;padding:0;font-size:14px;background:transparent;border:1px solid transparent;color:var(--text-muted)}.drawer-close:hover{border-color:var(--border);color:var(--text)}.library-drawer-body{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:8px}.tab-bar{display:flex;gap:0;border-bottom:1px solid var(--border);margin:0 -14px 8px;padding:0 14px}.tab-btn{flex:1;padding:8px 4px;border:none;border-bottom:2px solid transparent;background:transparent;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;border-radius:0;margin-bottom:-1px}.tab-btn:hover{background:transparent;color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-content{display:none;flex-direction:column;gap:4px}.tab-content.active{display:flex}.tab-nav{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}.tab-nav-back,.tab-nav-next{font-size:12px;padding:6px 10px;color:var(--accent);border-color:var(--border);background:#fff}.tab-nav-back:hover,.tab-nav-next:hover{background:#eff6ff;border-color:var(--accent)}.tab-nav span{flex:1}.canvas-overlay-controls{position:absolute;top:12px;left:12px;display:flex;gap:4px;z-index:10}.canvas-overlay-controls button{width:32px;height:32px;padding:0;font-size:16px;background:#ffffffeb;border:1px solid var(--border);box-shadow:0 1px 3px #00000014;color:var(--text)}.canvas-overlay-controls button:hover:not(:disabled){background:#fff;border-color:var(--accent);color:var(--accent)}#sidebar h1{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--text)}.h1-sub{font-size:12px;font-weight:400;color:var(--text-muted);display:block;margin-top:1px}.panel{border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:8px;background:#fafafa}.panel h2{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:2px}label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--text-muted);font-weight:500}input[type=text],input[type=number],select,textarea{font-size:13px;padding:5px 8px;border:1px solid var(--border);border-radius:5px;background:#fff;color:var(--text);width:100%;font-family:inherit}input[type=text]:focus,input[type=number]:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #2563eb22}input[type=color]{height:30px;padding:2px;border:1px solid var(--border);border-radius:5px;cursor:pointer;width:100%}textarea{resize:vertical;min-height:60px}.checkbox-row{display:flex;gap:12px;flex-wrap:wrap}.checkbox-row label{flex-direction:row;align-items:center;gap:5px;font-size:13px;color:var(--text);cursor:pointer}button{font-family:inherit;font-size:13px;padding:6px 12px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;transition:background .1s,border-color .1s;white-space:nowrap}button:hover{background:#f0f0f0}button:disabled{opacity:.4;cursor:not-allowed}button.primary,#apply-preset-btn{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover,#apply-preset-btn:hover{background:var(--accent-hover)}button.secondary{border-style:dashed}.tool-group{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.tool-btn{font-size:12px;padding:5px 6px}.tool-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}#layout-row-list{display:flex;flex-direction:column;gap:6px}.layout-row-item{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--border);border-radius:6px;padding:6px 8px}.layout-row-name{font-weight:600;font-size:12px;min-width:42px}.layout-row-item label{display:flex;align-items:center;gap:3px;font-size:11px;color:var(--text-muted);flex:1}.layout-row-item input{width:100%;min-width:0;padding:3px 4px;font-size:12px}.layout-row-item .lay-reset{padding:2px 7px;font-size:13px;background:#fff}.layout-row-item .lay-reset:disabled{opacity:.35}.labels-subhead{margin:6px 0 0;padding-top:8px;border-top:1px solid var(--border);font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}.bulk-actions{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.bulk-actions-label{flex-basis:100%;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:1px}.bulk-actions button{flex:1;font-size:12px;padding:5px 6px;white-space:nowrap}.bulk-actions button.active{background:var(--accent);color:#fff;border-color:var(--accent)}#rows-container{display:flex;flex-direction:column;gap:6px}.row-item{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:6px;overflow:hidden}.row-item-header{display:flex;align-items:center;gap:6px;padding:5px 8px 3px}.row-item-meta{display:flex;align-items:center;gap:12px;padding:0 8px 6px 12px;color:var(--text-muted)}.row-straight-toggle{display:flex;align-items:center;gap:5px;font-size:12px;cursor:pointer;color:var(--text)}.row-straight-toggle input[type=checkbox]{margin:0;cursor:pointer}.row-warning{font-size:11px;line-height:1.4;color:#92400e;background:#fef3c7;border:1px solid #fcd34d;border-radius:5px;padding:6px 8px;margin-bottom:4px}.row-item-name{font-size:12px;font-weight:600;color:var(--text-muted);min-width:46px}.row-item label{flex-direction:row;align-items:center;gap:4px;font-size:12px}.row-item input[type=number]{width:48px}.row-item input[type=text]{width:40px}.remove-row-btn{margin-left:auto;padding:2px 6px;font-size:11px;color:#999;border-color:transparent}.remove-row-btn:hover{color:#c00;background:#fff0f0}.label-paste{margin:4px 0}.label-paste>summary{font-size:12px;color:var(--accent);cursor:pointer;padding:2px 0}#label-list{display:flex;flex-direction:column;gap:8px;margin-top:6px}.label-row{display:flex;flex-direction:column;gap:3px}.label-row-name{font-size:11px;font-weight:600;color:var(--text-muted)}.chair-labels-ta{width:100%;font:12px/1.6 ui-monospace,Cascadia Code,Fira Mono,monospace;border:1px solid var(--border);border-radius:4px;padding:6px 8px;resize:vertical;min-height:52px;color:var(--text);background:#fff}.chair-labels-ta:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #2563eb22}.instrument-add-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}.instrument-add-grid button{font-size:12px;padding:5px 6px}.instrument-add-sep{grid-column:1 / -1;border-top:1px solid var(--border);margin:2px 0}.inspector{border-top:1px solid var(--border);margin-top:4px;padding-top:12px;display:flex;flex-direction:column;gap:10px}.inspector-header{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.02em}.inspector label{gap:4px}.inspector .row-controls{gap:6px;margin-top:2px}.inspector .row-controls button{flex:1}button.danger{color:#c00;border-color:#f5b5b5}button.danger:hover{background:#fff0f0}#save-btn,#export-png-btn,#share-link-btn,.file-label{display:block;width:100%;text-align:center}.file-label{font-size:13px;font-weight:400;color:var(--text);display:flex;align-items:center;justify-content:center;gap:0;padding:6px 12px;border-radius:6px;border:1px solid var(--border);background:#fff;cursor:pointer;transition:background .1s}.file-label:hover{background:#f0f0f0}.file-label input[type=file]{display:none}#share-url-display{font-size:11px;word-break:break-all;color:var(--accent);background:#eff6ff;border:1px solid #bfdbfe;border-radius:5px;padding:6px 8px;margin-top:2px}.row-controls{display:flex;gap:6px}.row-controls select{flex:1}.hint{font-size:11px;color:var(--text-muted);line-height:1.4}.modal-overlay{position:fixed;inset:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .12s ease-out}.modal-card{background:#fff;border-radius:12px;padding:22px 24px;width:min(560px,92vw);max-height:90vh;overflow-y:auto;box-shadow:0 24px 60px #0f172a59;display:flex;flex-direction:column;gap:12px}.modal-card h2{font-size:17px;font-weight:700;color:var(--text);margin-bottom:2px}.about-card{position:relative;width:min(460px,92vw);align-items:center;text-align:center;gap:10px;padding:28px 24px 26px}.about-guide{width:100%;text-align:left;margin:6px 0 2px;padding:14px 4px 4px;border-top:1px solid var(--border)}.about-guide h3{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:12px 0 6px}.about-guide h3:first-child{margin-top:0}.about-guide ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:7px}.about-guide li{font-size:13px;line-height:1.45;color:var(--text)}.about-guide b{font-weight:600}.about-close{position:absolute;top:10px;right:10px}.about-logo{border-radius:16px;box-shadow:0 4px 14px #0f172a2e}.about-title{font-size:22px!important;margin:4px 0 0!important}.about-line{font-size:13px;color:var(--text-muted);line-height:1.5;margin:0}.kofi-btn{display:inline-block;margin:6px 0;padding:9px 18px;background:#72a4f2;color:#fff;font-weight:600;font-size:14px;border-radius:8px;text-decoration:none;box-shadow:0 2px 6px #72a4f266}.kofi-btn:hover{background:#5b91e8}.modal-card .hint code{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:3px;padding:1px 4px;font-size:11px;color:#334155}.preview-box{background:#f8fafc;border:1px solid var(--border);border-radius:6px;padding:10px 12px;font-size:12px;line-height:1.55;color:var(--text-muted);min-height:80px;max-height:220px;overflow-y:auto;white-space:pre-wrap;font-family:ui-monospace,Cascadia Code,Fira Mono,monospace}.preview-box.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.modal-actions{margin-top:4px;justify-content:flex-end}.modal-actions button{min-width:86px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}#canvas-area{flex:1;overflow:hidden;position:relative;background:#fff}#chart-canvas{display:block;width:100%;height:100%;transform-origin:0 0;touch-action:none}#marquee-box{position:absolute;z-index:12;border:1px dashed var(--accent);background:#2563eb18;pointer-events:none}#chair-label-input{position:absolute;z-index:15;transform:translate(-50%,-50%);width:100px;padding:3px 5px;font-size:12px;text-align:center;border:2px solid var(--accent);border-radius:4px;background:#fff;box-shadow:0 1px 6px #00000040}#chart-canvas.pannable{cursor:grab}#chart-canvas.panning{cursor:grabbing}.canvas-zoom-controls{position:absolute;top:12px;left:84px;display:flex;gap:4px;z-index:10}.canvas-zoom-controls button{height:32px;min-width:32px;padding:0 8px;font-size:15px;background:#ffffffeb;border:1px solid var(--border);box-shadow:0 1px 3px #00000014;color:var(--text)}#zoom-reset-btn{font-size:12px;font-variant-numeric:tabular-nums}.canvas-zoom-controls button:hover:not(:disabled){background:#fff;border-color:var(--accent);color:var(--accent)}.canvas-zoom-controls button:disabled{opacity:.4}.canvas-drag-controls{position:absolute;top:52px;left:12px;z-index:10;height:30px;padding:0 10px;font-size:12px;white-space:nowrap;color:var(--text);background:#ffffffeb;border:1px solid var(--border);border-radius:6px;box-shadow:0 1px 3px #00000014;cursor:pointer}.canvas-drag-controls:hover:not(.active){border-color:var(--accent);color:var(--accent)}.canvas-drag-controls.active{background:var(--accent);color:#fff;border-color:var(--accent)}body:not(.marquee-capable) .marquee-hint{display:none}#instrument-picker-list{max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:3px;margin-top:4px;padding-right:2px}.instrument-group{margin-bottom:4px}.instrument-group-heading{list-style:none;cursor:pointer;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);padding:4px 0 4px 12px;border-bottom:1px solid var(--border);position:relative;user-select:none}.instrument-group-heading::-webkit-details-marker{display:none}.instrument-group-heading:before{content:"▸";position:absolute;left:0;transition:transform .1s ease;display:inline-block}.instrument-group[open]>.instrument-group-heading:before{transform:rotate(90deg)}.instrument-group-heading:hover{color:var(--text)}.instrument-group[open]>.instrument-row:first-of-type{margin-top:4px}.instrument-row{display:flex;gap:3px;align-items:stretch}.instrument-name{flex:1;font-size:12px;padding:4px 8px;text-align:left}.instrument-num{width:26px;padding:4px 0;font-size:11px}.instrument-name.active,.instrument-num.active{background:var(--accent);color:#fff;border-color:var(--accent)}#tally-overlay{position:fixed;top:16px;right:16px;width:260px;max-height:75vh;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 6px 24px #0f172a2e;z-index:50;display:flex;flex-direction:column;overflow:hidden;font-size:12px}.tally-header{display:flex;align-items:center;gap:6px;padding:7px 12px;background:#f8fafc;border-bottom:1px solid var(--border);font-weight:600;font-size:12px}.tally-title{flex:0 0 auto}.tally-total{flex:1;color:var(--text-muted);font-weight:400;font-size:11px;text-align:right}.tally-header button{border:none;background:transparent;padding:2px 6px;font-size:14px;cursor:pointer;color:var(--text-muted);line-height:1}.tally-header button:hover{background:#0000000f;color:var(--text)}#tally-overlay.minimized{border-bottom-left-radius:8px;border-bottom-right-radius:8px}#tally-overlay.minimized .tally-header{border-bottom:none}#tally-overlay.minimized .tally-body{display:none}.tally-body{flex:1;overflow-y:auto;padding:8px 12px}.tally-section-heading{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:10px 0 4px;padding-bottom:2px;border-bottom:1px solid var(--border)}.tally-section-heading:first-child{margin-top:0}.tally-row{display:flex;justify-content:space-between;padding:2px 0;font-size:12px}.tally-row .tally-count{font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums}.tally-empty{color:var(--text-muted);font-size:12px;line-height:1.5;padding:8px 0}#library-list{display:flex;flex-direction:column;gap:4px;margin-top:4px;max-height:60vh;overflow-y:auto}.lib-folder{margin-top:4px;background:#fafafa;border:1px solid var(--border);border-radius:6px}.lib-folder>summary{list-style:none;cursor:pointer;font-size:12px;font-weight:600;color:var(--text);padding:6px 8px 6px 22px;position:relative;user-select:none;display:flex;align-items:center;gap:6px}.lib-folder>summary::-webkit-details-marker{display:none}.lib-folder>summary:before{content:"▸";position:absolute;left:8px;font-size:10px;color:var(--text-muted);transition:transform .1s ease}.lib-folder[open]>summary:before{transform:rotate(90deg)}.lib-folder-name{flex:1}.lib-folder-count{font-weight:400;color:var(--text-muted);font-size:11px}.lib-folder-delete{border:none;background:transparent;color:var(--text-muted);padding:0 4px;font-size:13px;cursor:pointer}.lib-folder-delete:hover{color:#c00;background:transparent}.lib-chart-row{display:flex;align-items:center;gap:4px;padding:4px 8px 4px 22px;border-top:1px solid var(--border);font-size:12px;background:#fff}.lib-chart-row.current{background:#eff6ff}.lib-chart-open{flex:1;text-align:left;border:none;background:transparent;padding:2px 4px;font-size:12px;color:var(--text);cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-radius:3px}.lib-chart-open:hover{background:#0000000a;color:var(--accent)}.lib-chart-date{color:var(--text-muted);font-size:10px;white-space:nowrap}.lib-chart-action{border:none;background:transparent;padding:2px 4px;font-size:13px;cursor:pointer;color:var(--text-muted);border-radius:3px}.lib-chart-action:hover{background:#0000000f;color:var(--text)}.lib-chart-action.danger:hover{color:#c00}.lib-empty{color:var(--text-muted);font-size:12px;text-align:center;padding:16px 0;font-style:italic}@page{size:A4 landscape;margin:8mm}@media (max-width: 640px){#app{flex-direction:column}#canvas-area{order:-1;flex:none;height:44vh;min-height:200px;padding-top:44px;border-bottom:1px solid var(--border)}#sidebar{width:100%;min-width:0;flex:1 1 auto;min-height:0;padding-top:0}.sidebar-top{padding-top:14px}.tab-bar{position:sticky;top:0;z-index:5;background:var(--sidebar-bg);padding-top:8px}#sidebar h1{font-size:16px}}@media print{html,body{margin:0;padding:0;background:#fff;height:100%}#sidebar,.canvas-overlay-controls,.canvas-zoom-controls,.canvas-drag-controls,#tally-overlay,#library-drawer,.drawer-backdrop,.modal-overlay{display:none!important}#chart-canvas{transform:none!important}#app{height:100%;display:block}#canvas-area{width:100%;height:100%;overflow:hidden;background:#fff;position:static}#chart-canvas{display:block;width:100%!important;height:100%!important;object-fit:contain}}