:root{--color-text: #1a1a1a;--color-text-muted: #666;--color-text-subtle: #999;--color-text-label: #444;--color-bg: #f5f5f5;--color-bg-surface: #fff;--color-bg-hover: #f0f0f0;--color-bg-active: #e8edf5;--color-border: #e2e2e2;--color-border-input: #d0d0d0;--color-border-subtle: #eee;--color-border-shadow: #ddd;--color-primary: #0066cc;--color-primary-muted: rgba(0, 102, 204, .12);--color-selected: #0066cc;--color-search-match: #daa520;--color-error-bg: #fef2f2;--color-error-border: #fca5a5;--color-error-text: #991b1b;--color-node-tip: #228b22;--color-node-internal: #555;--font-family: system-ui, -apple-system, sans-serif;--font-mono: "SF Mono", "Menlo", monospace;--font-size-xs: 11px;--font-size-sm: 13px;--font-size-base: 14px;--font-size-lg: 16px;--font-size-title: 18px;--spacing-xs: 4px;--spacing-sm: 6px;--spacing-md: 8px;--spacing-lg: 12px;--spacing-xl: 16px;--spacing-2xl: 20px;--radius: 5px;--radius-lg: 8px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .12);--transition-fast: .15s ease;--transition-med: .2s ease;--select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6' fill='%23666'/%3E%3C/svg%3E")}[data-theme=dark]{--color-text: #e0e0e0;--color-text-muted: #aaa;--color-text-subtle: #777;--color-text-label: #bbb;--color-bg: #161616;--color-bg-surface: #1e1e1e;--color-bg-hover: #2a2a2a;--color-bg-active: #2a2f3a;--color-border: #333;--color-border-input: #444;--color-border-subtle: #2a2a2a;--color-border-shadow: #444;--color-primary: #4d9fff;--color-primary-muted: rgba(77, 159, 255, .15);--color-selected: #4d9fff;--color-search-match: #e0a030;--color-error-bg: #3a1a1a;--color-error-border: #7c3535;--color-error-text: #f5a5a5;--color-node-tip: #5cb85c;--color-node-internal: #aaa;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6' fill='%23aaa'/%3E%3C/svg%3E")}[data-theme=publication]{--color-text: #000;--color-text-muted: #333;--color-text-subtle: #666;--color-text-label: #222;--color-bg: #fff;--color-bg-surface: #fff;--color-bg-hover: #f5f5f5;--color-bg-active: #f0f0f0;--color-border: #ddd;--color-border-input: #bbb;--color-border-subtle: #eee;--color-border-shadow: #ccc;--color-primary: #000;--color-primary-muted: rgba(0, 0, 0, .08);--color-selected: #000;--color-search-match: #daa520;--color-error-bg: #fef2f2;--color-error-border: #fca5a5;--color-error-text: #991b1b;--color-node-tip: #000;--color-node-internal: #333;--shadow-sm: none;--shadow-md: none}[data-theme=high-contrast]{--color-text: #000;--color-text-muted: #222;--color-text-subtle: #444;--color-text-label: #000;--color-bg: #fff;--color-bg-surface: #fff;--color-bg-hover: #e0e0e0;--color-bg-active: #d0d0ff;--color-border: #000;--color-border-input: #000;--color-border-subtle: #666;--color-border-shadow: #000;--color-primary: #0000cc;--color-primary-muted: rgba(0, 0, 204, .15);--color-selected: #0000cc;--color-search-match: #cc8800;--color-error-bg: #ffe0e0;--color-error-border: #cc0000;--color-error-text: #cc0000;--color-node-tip: #006600;--color-node-internal: #000;--shadow-sm: 0 0 0 2px #000;--shadow-md: 0 0 0 2px #000}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh}.app-header{display:flex;align-items:center;gap:var(--spacing-xl);padding:var(--spacing-md) var(--spacing-2xl);border-bottom:1px solid var(--color-border);background:var(--color-bg-surface);transition:background-color var(--transition-med),border-color var(--transition-med)}.app-header h1{font-size:var(--font-size-title);font-weight:700;letter-spacing:-.02em}.app-body{display:flex;flex:1;overflow:hidden}.sidebar{transition:width var(--transition-med);overflow:hidden;padding:var(--spacing-lg);border-right:1px solid var(--color-border);background:var(--color-bg-surface);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}.sidebar::-webkit-scrollbar{width:5px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.sidebar::-webkit-scrollbar-thumb:hover{background:var(--color-text-subtle)}.sidebar-header{display:flex;align-items:center;margin-bottom:var(--spacing-sm)}.collapse-btn{background:none;border:1px solid var(--color-border-input);border-radius:var(--radius);width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;line-height:1;color:var(--color-text-muted);transition:background-color var(--transition-fast),border-color var(--transition-fast)}.collapse-btn:hover{background:var(--color-bg-hover);border-color:var(--color-text-subtle)}.resize-handle{width:4px;cursor:col-resize;background:transparent;flex-shrink:0;transition:background-color var(--transition-fast)}.resize-handle:hover{background:var(--color-primary);opacity:.3}.section{border-bottom:1px solid var(--color-border-subtle);padding-bottom:var(--spacing-sm)}.section:last-child{border-bottom:none}.section-header{display:flex;align-items:center;gap:var(--spacing-xs);width:100%;background:none;border:none;padding:var(--spacing-md) 0;cursor:pointer;color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.06em;-webkit-user-select:none;user-select:none;font-family:var(--font-family)}.section-header:hover{color:var(--color-text)}.section-chevron{display:inline-flex;align-items:center;justify-content:center;width:14px;font-size:14px;font-weight:400;transition:transform var(--transition-med);flex-shrink:0}.section[data-open=true] .section-chevron{transform:rotate(90deg)}.section-title{flex:1;text-align:left}.section-content{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--transition-med)}.section[data-open=true] .section-content{grid-template-rows:1fr}.section-inner{overflow:hidden;padding:0 0 var(--spacing-sm)}.control-panel{display:flex;flex-direction:column}.control-panel select{width:100%;padding:var(--spacing-sm) 28px var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border-input);border-radius:var(--radius);font-size:var(--font-size-sm);font-family:var(--font-family);background:var(--color-bg-surface);color:var(--color-text);appearance:none;-webkit-appearance:none;background-image:var(--select-arrow);background-repeat:no-repeat;background-position:right 8px center;cursor:pointer;transition:border-color var(--transition-fast)}.control-panel select:hover{border-color:var(--color-text-subtle)}.control-panel select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-muted)}.field{display:flex;flex-direction:column;gap:3px;margin-top:var(--spacing-md)}.field-label{font-size:var(--font-size-xs);color:var(--color-text-muted);font-weight:500}.slider{margin-top:var(--spacing-lg)}.slider-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:3px}.slider-label{font-size:var(--font-size-xs);color:var(--color-text-muted);font-weight:500}.slider-value{font-size:var(--font-size-xs);font-family:var(--font-mono);color:var(--color-text-subtle)}.slider-input{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;outline:none;cursor:pointer;background:linear-gradient(to right,var(--color-primary) 0%,var(--color-primary) var(--slider-progress, 50%),var(--color-border) var(--slider-progress, 50%),var(--color-border) 100%);transition:opacity 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.toggle-track{border-color:var(--color-text-subtle)}.toggle-track{position:relative;width:30px;height:16px;border-radius:8px;background:var(--color-border);border:1px solid var(--color-border-input);flex-shrink:0;transition:background var(--transition-fast),border-color var(--transition-fast)}.toggle-track[data-checked=true]{background:var(--color-primary);border-color:var(--color-primary)}.toggle-thumb{position:absolute;top:1px;left:1px;width:12px;height:12px;border-radius:50%;background:#fff;transition:transform var(--transition-fast);box-shadow:0 1px 2px #00000026}.toggle-track[data-checked=true] .toggle-thumb{transform:translate(14px)}.toggle-label{font-size:var(--font-size-sm);color:var(--color-text-label);line-height:1}.color-input{display:flex;align-items:center;justify-content:space-between;margin-top:var(--spacing-md)}.color-input-label{font-size:var(--font-size-xs);color:var(--color-text-muted);font-weight:500}.color-input-controls{display:flex;align-items:center;gap:var(--spacing-xs)}.color-swatch{width:24px;height:24px;border-radius:var(--radius);border:1px solid var(--color-border-input);cursor:pointer;padding:0;transition:border-color var(--transition-fast),transform .1s ease}.color-swatch:hover{border-color:var(--color-text-subtle);transform:scale(1.08)}.color-input-native{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.color-reset{background:none;border:none;cursor:pointer;color:var(--color-text-subtle);font-size:16px;padding:0 2px;line-height:1;transition:color var(--transition-fast)}.color-reset:hover{color:var(--color-error-text)}.btn{padding:var(--spacing-xs) var(--spacing-lg);border:1px solid var(--color-border-input);border-radius:var(--radius);background:var(--color-bg-surface);font-size:var(--font-size-sm);font-family:var(--font-family);color:var(--color-text);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast)}.btn:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-text-subtle)}.btn:active:not(:disabled){background:var(--color-bg-active)}.btn:disabled{opacity:.35;cursor:not-allowed}.btn-row{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.btn-row .btn{flex:1}.search-bar{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:9px;width:14px;height:14px;color:var(--color-text-subtle);pointer-events:none}.search-bar input{padding:6px 70px 6px 28px;border:1px solid var(--color-border-input);border-radius:var(--radius);font-size:var(--font-size-sm);font-family:var(--font-family);background:var(--color-bg-surface);color:var(--color-text);width:220px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.search-bar input::placeholder{color:var(--color-text-subtle)}.search-bar input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-muted)}.search-count{position:absolute;right:48px;font-size:var(--font-size-xs);font-family:var(--font-mono);color:var(--color-text-subtle)}.search-case-btn{position:absolute;right:24px;background:none;border:none;font-size:var(--font-size-xs);font-weight:600;cursor:pointer;color:var(--color-text-subtle);padding:2px 4px;border-radius:2px;transition:color var(--transition-fast),background var(--transition-fast)}.search-case-btn:hover{color:var(--color-text)}.search-case-btn.active{color:var(--color-primary);background:var(--color-primary-muted)}.search-clear-btn{position:absolute;right:4px;background:none;border:none;font-size:var(--font-size-lg);cursor:pointer;color:var(--color-text-subtle);padding:0 4px;line-height:1;transition:color var(--transition-fast)}.search-clear-btn:hover{color:var(--color-text)}.file-loader-btn{font-weight:500}.stats-grid{display:grid;grid-template-columns:1fr auto;gap:3px var(--spacing-lg);font-size:var(--font-size-sm)}.stat-label{color:var(--color-text-muted)}.stat-value{font-family:var(--font-mono);font-size:var(--font-size-xs);text-align:right;color:var(--color-text)}.theme-select{margin-left:auto;padding:var(--spacing-xs) 28px var(--spacing-xs) var(--spacing-md);border:1px solid var(--color-border-input);border-radius:var(--radius);background:var(--color-bg-surface);font-size:var(--font-size-sm);font-family:var(--font-family);cursor:pointer;color:var(--color-text);appearance:none;-webkit-appearance:none;background-image:var(--select-arrow);background-repeat:no-repeat;background-position:right 8px center;transition:border-color var(--transition-fast)}.theme-select:hover{border-color:var(--color-text-subtle)}.theme-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-muted)}.canvas{flex:1;position:relative;overflow:hidden;background:var(--color-bg-surface);transition:background-color var(--transition-med)}.canvas svg{display:block}.empty-state{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--color-text-subtle);font-size:var(--font-size-lg);text-align:center}.empty-hint{margin-top:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-subtle)}.error-banner{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-2xl);background:var(--color-error-bg);border-bottom:1px solid var(--color-error-border);color:var(--color-error-text);font-size:var(--font-size-base)}.error-banner button{background:none;border:none;font-size:18px;cursor:pointer;color:var(--color-error-text);padding:0 var(--spacing-xs)}.context-menu{position:fixed;z-index:1000;background:var(--color-bg-surface);border:1px solid var(--color-border-shadow);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-xs) 0;min-width:160px}.context-menu button{display:block;width:100%;text-align:left;padding:var(--spacing-md) 14px;border:none;background:none;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--color-text);cursor:pointer;transition:background-color var(--transition-fast)}.context-menu button:hover{background:var(--color-bg-active)}.context-menu-separator{height:1px;background:var(--color-border-subtle);margin:var(--spacing-xs) 0}.context-menu-label{padding:var(--spacing-xs) 14px;font-size:var(--font-size-sm);color:var(--color-text-muted)}.highlight-swatches{display:flex;gap:var(--spacing-xs);padding:var(--spacing-xs) 14px var(--spacing-md);flex-wrap:wrap}.highlight-swatch{width:20px;height:20px;border-radius:3px;border:1px solid var(--color-border-input);cursor:pointer;padding:0;min-width:auto;transition:transform .1s ease}.highlight-swatch:hover{transform:scale(1.15);border-color:var(--color-text)}.node-tooltip{position:fixed;z-index:999;background:var(--color-bg-surface);border:1px solid var(--color-border-shadow);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:10px 14px;max-width:300px;font-size:var(--font-size-sm);pointer-events:none}.tooltip-name{font-weight:600;margin-bottom:var(--spacing-sm);padding-bottom:var(--spacing-xs);border-bottom:1px solid var(--color-border-subtle)}.tooltip-row{display:flex;justify-content:space-between;gap:var(--spacing-lg);padding:2px 0}.tooltip-key{color:var(--color-text-muted)}.tooltip-val{font-family:var(--font-mono);font-size:var(--font-size-xs)}.dialog-overlay{position:fixed;inset:0;z-index:2000;background:#0000004d;display:flex;align-items:center;justify-content:center}.dialog{background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-2xl);min-width:400px;max-width:600px;max-height:80vh;overflow-y:auto}.dialog h3{margin-bottom:var(--spacing-lg);font-size:var(--font-size-lg)}.dialog label{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-label)}.dialog input[type=text]{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border-input);border-radius:var(--radius);font-size:var(--font-size-base);font-family:var(--font-family);background:var(--color-bg-surface);color:var(--color-text)}.dialog input[type=text]:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-muted)}.dialog .btn-row{margin-top:var(--spacing-lg)}.find-replace-preview{margin-top:var(--spacing-md);padding:var(--spacing-md);border:1px solid var(--color-border-subtle);border-radius:var(--radius);font-size:var(--font-size-sm);max-height:200px;overflow-y:auto}.find-replace-preview ul{list-style:none;margin-top:var(--spacing-xs)}.find-replace-preview li{padding:2px 0;font-family:var(--font-mono);font-size:var(--font-size-xs)}.find-replace-preview .old-name{text-decoration:line-through;color:var(--color-error-text)}.find-replace-preview .new-name{color:var(--color-node-tip)}.annotation-panel{transition:width var(--transition-med);overflow:hidden;background:var(--color-bg-surface);border-left:1px solid var(--color-border);padding:var(--spacing-lg);overflow-y:auto}.annotation-panel h3{font-size:var(--font-size-base);font-weight:600;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-xs);border-bottom:1px solid var(--color-border-subtle)}.annotation-row{display:flex;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-xs);font-size:var(--font-size-sm)}.annotation-key{color:var(--color-text-muted);min-width:60px;font-family:var(--font-mono);font-size:var(--font-size-xs)}.annotation-row input{flex:1;padding:2px var(--spacing-xs);border:1px solid var(--color-border-input);border-radius:var(--radius);font-size:var(--font-size-xs);font-family:var(--font-mono);background:var(--color-bg-surface);color:var(--color-text)}.annotation-row .mixed{color:var(--color-text-subtle);font-style:italic;font-size:var(--font-size-xs)}.annotation-delete{background:none;border:none;cursor:pointer;color:var(--color-text-subtle);font-size:14px;padding:0 2px;transition:color var(--transition-fast)}.annotation-delete:hover{color:var(--color-error-text)}.annotation-add{display:flex;gap:var(--spacing-xs);margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border-subtle)}.annotation-add input{flex:1;padding:2px var(--spacing-xs);border:1px solid var(--color-border-input);border-radius:var(--radius);font-size:var(--font-size-xs);background:var(--color-bg-surface);color:var(--color-text)}.annotation-add button{padding:2px var(--spacing-md);border:1px solid var(--color-border-input);border-radius:var(--radius);background:var(--color-bg-surface);font-size:var(--font-size-sm);cursor:pointer}.annotation-add button:hover:not(:disabled){background:var(--color-bg-hover)}.annotation-add button:disabled{opacity:.35;cursor:not-allowed}.minimap-container{position:absolute;bottom:12px;right:12px;width:200px;height:150px;border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:var(--color-bg-surface);z-index:50;opacity:.85;transition:opacity var(--transition-fast);cursor:crosshair;overflow:hidden}.minimap-container:hover{opacity:1}.status-bar{padding:3px var(--spacing-2xl);font-size:var(--font-size-xs);font-family:var(--font-mono);color:var(--color-text-muted);border-top:1px solid var(--color-border);background:var(--color-bg-surface);transition:background-color var(--transition-med),border-color var(--transition-med)}.drop-overlay{position:absolute;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:var(--color-primary-muted);border:2px dashed var(--color-primary);border-radius:var(--spacing-md);font-size:18px;color:var(--color-primary);font-weight:600;pointer-events:none;animation:fadeIn var(--transition-fast) forwards}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.publication-mode .app-header,.publication-mode .sidebar,.publication-mode .resize-handle,.publication-mode .status-bar,.publication-mode .annotation-panel,.publication-mode .minimap-container{display:none}.publication-mode .canvas{border:none}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--color-primary);outline-offset:1px}.section-header:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}.toggle:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius)}