:root{--bg:#f4f5f7;--panel:#fff;--border:#e3e5ea;--border-soft:#edeef1;--text:#23262d;--text-muted:#6b7280;--text-faint:#9aa1ab;--accent:#2f6fed;--accent-soft:#eaf0fe;--danger:#e53935;--danger-soft:#fdeceb;--warning:#e0763f;--success:#1f9d55;--radius:10px;--radius-sm:7px;--shadow-sm:0 1px 2px #1418200f;--shadow-md:0 4px 16px #1418201a;--sans:"Inter", system-ui, "Segoe UI", Roboto, sans-serif;font-family:var(--sans);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0;overflow:hidden}html.page-scroll,html.page-scroll body,html.page-scroll #root{height:auto;min-height:100%;overflow:visible}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d4d7dd;border-radius:4px}::-webkit-scrollbar-track{background:0 0}.app-shell{grid-template-rows:52px 1fr;grid-template-columns:minmax(0,1fr);min-width:0;height:100dvh;display:grid;overflow:hidden}.topbar{border-bottom:1px solid var(--border);background:var(--panel);grid-column:1/-1;align-items:center;gap:12px;min-width:0;padding:0 16px;display:flex}.topbar-brand{white-space:nowrap;font-size:14px;font-weight:600}.topbar-logo-mark{flex:none;width:17px;height:21px}.topbar-logo-word{font-family:"Montserrat", var(--sans);letter-spacing:.2em;text-indent:.2em;font-size:13px;font-weight:600}.topbar-home{color:inherit;font:inherit;border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;margin-left:-8px;padding:6px 8px;font-weight:600;transition:background .15s;display:inline-flex}.topbar-home:hover{background:var(--bg)}.project-name-input{border-radius:var(--radius-sm);min-width:160px;color:var(--text);background:0 0;border:1px solid #0000;padding:6px 8px;font-size:14px;font-weight:500}.project-name-input:hover,.project-name-input:focus{border-color:var(--border);background:var(--bg);outline:none}.save-indicator{color:var(--text-faint);white-space:nowrap;font-size:12px}.topbar-spacer{flex:1}.main-layout{grid-template-columns:280px minmax(0,1fr) 320px;min-width:0;min-height:0;display:grid}.left-panel,.right-panel{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;min-height:0;display:flex}.right-panel{border-right:none;border-left:1px solid var(--border)}.center-area{background:var(--bg);flex-direction:column;min-width:0;min-height:0;display:flex}.canvas-wrap{touch-action:none;-webkit-user-select:none;user-select:none;flex:1;min-height:0;position:relative}.tabs{border-bottom:1px solid var(--border);flex-shrink:0;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:10px 4px;font-size:12px}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-btn:hover{color:var(--text)}.tab-content{flex:1;min-height:0;overflow-y:auto}.toolbar{border-bottom:1px solid var(--border);background:var(--panel);flex-wrap:wrap;flex-shrink:0;align-items:center;gap:14px;padding:8px 14px;display:flex}.toolbar-group{align-items:center;gap:6px;display:flex}.toolbar-group.grow-right{margin-left:auto}.tool-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--panel);cursor:pointer;width:32px;height:32px;color:var(--text);justify-content:center;align-items:center;font-size:15px;display:flex}.tool-btn:hover{background:var(--bg)}.tool-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.tool-btn.danger:hover{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.tool-btn:disabled{opacity:.35;cursor:not-allowed}.chip-toggle{color:var(--text-muted);border:1px solid var(--border);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:5px 10px;font-size:12px;display:flex}.chip-toggle.block{margin:8px 0;display:inline-flex}.chip-toggle input{margin:0}.mini-select{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:999px;padding:5px 8px;font-size:12px}.library-panel{padding:8px}.library-search{box-sizing:border-box;border:1px solid var(--border-soft);border-radius:var(--radius-sm);background:var(--bg);width:100%;color:var(--text);margin-bottom:6px;padding:7px 10px;font-size:12px}.library-search:focus{border-color:var(--accent);outline:none}.library-grid-search{padding:4px 4px 10px}.library-empty{text-align:center;color:var(--text-faint);grid-column:1/-1;padding:14px 4px;font-size:12px}.library-category{margin-bottom:2px}.library-category-header{width:100%;color:var(--text);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;justify-content:space-between;align-items:center;padding:9px 8px;font-size:13px;font-weight:600;display:flex}.library-category-header:hover{background:var(--bg)}.library-category-title{align-items:center;gap:9px;min-width:0;display:inline-flex}.library-category-icon{color:var(--text-faint);flex:none}.library-category-header:hover .library-category-icon,.library-category.is-open .library-category-icon{color:var(--accent,var(--text))}.chevron{color:var(--text-faint);transition:transform .15s}.chevron.open{transform:rotate(90deg)}.library-grid{grid-template-columns:repeat(2,1fr);gap:6px;padding:4px 4px 10px;display:grid}.library-item{border-radius:var(--radius-sm);border:1px solid var(--border-soft);background:var(--bg);cursor:grab;text-align:center;color:var(--text-muted);-webkit-user-select:none;user-select:none;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;font-size:11px;display:flex}.library-item:hover{border-color:var(--accent);color:var(--text)}.library-item.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.library-item-icon{justify-content:center;align-items:center;width:40px;height:40px;display:flex}.library-item-label{line-height:1.2}.library-hint{background:var(--accent-soft);color:var(--accent);border-radius:var(--radius-sm);margin:6px 8px;padding:8px 10px;font-size:12px}.panel-section{padding:14px}.panel-section-title{color:var(--text);margin-bottom:10px;font-size:13px;font-weight:600}.panel-section-title.small{color:var(--text-muted);margin-top:16px;font-size:12px}.panel-empty,.panel-hint{color:var(--text-faint);font-size:12px;line-height:1.5}.panel-hint{margin:6px 0}.panel-divider{background:var(--border-soft);height:1px;margin:14px 0}.field{color:var(--text-muted);flex-direction:column;gap:4px;margin-bottom:10px;font-size:12px;display:flex}.field-row{gap:8px;display:flex}.field-row 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.btn{margin-bottom:0}.opening-buttons{flex-direction:column;gap:6px;display:flex}.opening-buttons .btn{margin-bottom:0}.norm-class-note{color:var(--text-faint);background:var(--bg);border-radius:var(--radius-sm);margin:8px 0;padding:8px;font-size:11px}.violations{flex-direction:column;gap:6px;margin:8px 0;display:flex}.violation-item{color:var(--danger);background:var(--danger-soft);border-radius:var(--radius-sm);padding:8px 10px;font-size:12px;line-height:1.4}.violation-ok{color:var(--success);margin:8px 0;font-size:12px}.layers-list{flex-direction:column;gap:2px;padding:6px;display:flex}.layer-row{border-radius:var(--radius-sm);align-items:center;gap:8px;padding:7px 8px;font-size:13px;display:flex}.layer-row:hover{background:var(--bg)}.layer-row.is-locked{background:var(--danger-soft);box-shadow:inset 3px 0 0 var(--danger)}.layer-row.is-locked:hover{background:var(--danger-soft)}.layer-row.is-hidden 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var(--border);border-radius:var(--radius-sm);background:var(--panel);min-width:0;min-height:34px;font:inherit;color:var(--text);cursor:pointer;white-space:nowrap;flex:1 1 0;padding:0 12px;font-size:13px;font-weight:600}.note-editor-btn:hover{background:var(--bg)}.note-editor-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.note-editor-btn.primary:hover{filter:brightness(1.07);background:var(--accent)}.note-editor-btn.danger{color:var(--danger);border-color:var(--border)}.note-editor-btn.danger:hover{background:var(--danger-soft);border-color:var(--danger)}.note-editor-hint{color:var(--text-faint);margin-top:6px;font-size:11px;line-height:1.3}@media (width<=880px){.note-editor-hint{display:none}}.draw-actions{left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px) + var(--cookie-notice-lift,0px));z-index:30;background:var(--panel);border:1px solid 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0;border-radius:10px;flex-direction:column;flex:84px;gap:1px;padding:8px 6px;display:flex}.startup-preset:hover{background:var(--bg)}.startup-preset.is-active{border-color:var(--accent);background:var(--accent-soft)}.startup-preset-main{font-size:13px;font-weight:600}.startup-preset-sub{color:var(--text-faint);font-size:11px}.startup-fields{align-items:flex-end;gap:8px;display:flex}.startup-fields .field{flex:1;min-width:0}.startup-times{color:var(--text-faint);padding-bottom:9px;font-size:14px}.startup-area{color:var(--text-faint);margin:12px 0 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var(--border);min-width:216px;color:var(--text);-webkit-user-select:none;user-select:none;border-radius:10px;padding:5px;font-size:13px;position:fixed;box-shadow:0 12px 34px #0f172a2e}.ctx-menu-head{letter-spacing:.03em;text-transform:uppercase;color:var(--text-faint);white-space:nowrap;text-overflow:ellipsis;max-width:260px;padding:7px 10px 8px;font-size:11.5px;font-weight:600;overflow:hidden}.ctx-menu-item{width:100%;font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:space-between;align-items:center;gap:16px;padding:8px 10px;display:flex}.ctx-menu-item:hover{background:var(--bg)}.ctx-menu-item:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.ctx-menu-item-danger{color:#c0392b}.ctx-menu-item-danger:hover{background:#fdecea}.ctx-menu-hint{color:var(--text-faint);font-variant-numeric:tabular-nums;font-size:11.5px}.ctx-menu-item:disabled{opacity:.4;cursor:default}.ctx-menu-item:disabled:hover{background:0 0}.ctx-menu-arrow{color:var(--text-faint);font-size:11px;line-height:1}.ctx-menu-item.is-open{background:var(--bg)}.ctx-menu-item.is-open .ctx-menu-arrow{color:var(--accent)}.ctx-menu-sub{position:relative}.ctx-menu-sep{background:var(--border);height:1px;margin:5px 4px}.ctx-lib{background:var(--panel);border:1px solid var(--border);background-clip:padding-box;border-left:5px solid #0000;border-radius:10px;width:272px;margin-left:-4px;padding:5px;position:absolute;top:-5px;left:100%;box-shadow:0 12px 34px #0f172a2e}.ctx-lib.flip-left{border-left:1px solid var(--border);border-right:5px solid #0000;margin-left:0;margin-right:-4px;left:auto;right:100%}.ctx-lib-search{box-sizing:border-box;border:1px solid var(--border);width:100%;font:inherit;background:var(--bg);color:var(--text);border-radius:7px;margin-bottom:5px;padding:6px 9px;font-size:13px}.ctx-lib-search:focus{border-color:var(--accent);outline:none}.ctx-lib-list{overscroll-behavior:contain;max-height:320px;overflow-y:auto}.ctx-lib-cat{letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint);background:var(--panel);align-items:center;gap:7px;padding:8px 8px 5px;font-size:11px;font-weight:600;display:flex;position:sticky;top:0}.ctx-lib-cat-icon{flex:none;width:14px;height:14px}.ctx-lib-item{width:100%;font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:7px;align-items:center;gap:9px;padding:5px 8px;font-size:13px;display:flex}.ctx-lib-item:hover{background:var(--bg)}.ctx-lib-item:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.ctx-lib-thumb{flex:none;width:28px;height:28px;display:flex}.ctx-lib-label{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.ctx-lib-draw{background:var(--accent-soft);color:var(--accent);border-radius:999px;flex:none;padding:2px 6px;font-size:10.5px}.ctx-lib-empty{color:var(--text-faint);padding:14px 10px}