:root{--bg: #ffffff;--fg: #1a1a1a;--muted: #666;--border: #e2e2e2;--accent: #3b6ea5;--panel: #f7f7f7;--active: #e8f0fb;--scrollbar-thumb: rgba(0, 0, 0, .22);--scrollbar-thumb-hover: rgba(0, 0, 0, .38)}[data-theme=dark]{--bg: #1e1e1e;--fg: #e6e6e6;--muted: #999;--border: #333;--accent: #6aa0e0;--panel: #252526;--active: #2d3a4d;--scrollbar-thumb: rgba(255, 255, 255, .22);--scrollbar-thumb-hover: rgba(255, 255, 255, .42)}*{box-sizing:border-box}body{margin:0}*{scrollbar-color:var(--scrollbar-thumb) transparent;scrollbar-width:thin}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:6px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover);background-clip:content-box}.main{min-height:0;min-width:0}.ant-layout,.ant-layout-content{min-width:0}.chapter{border-bottom:1px dashed var(--border);padding:24px 0;font-size:var(--reading-font-size, 16px);line-height:var(--reading-line-height, 1.8);font-family:var(--reading-font-family, inherit);max-width:var(--reading-max-width, none);margin:0 auto}.chapter h2.chapter-title{color:var(--accent)}.chapter p{text-indent:var(--reading-indent, 2em);margin:0 0 .8em}pre.raw{white-space:pre-wrap;font-family:ui-monospace,monospace;background:var(--panel);padding:12px;border-radius:6px}::highlight(cv-search){background-color:#facc1573;border-radius:2px}.split{display:grid;grid-template-columns:1fr 1fr;gap:12px}.chapter-editor{display:flex;flex-direction:column;height:100%}.chapter-editor-controls{display:flex;align-items:center;gap:12px;margin-bottom:12px}.chapter-editor-status{color:var(--muted);font-size:12px}.chapter-editor .split{grid-template-columns:1fr 1fr;gap:14px}.chapter-editor-host,.chapter-editor-preview{height:calc(100vh - 160px);border:1px solid var(--border);border-radius:8px;background:var(--bg)}.chapter-editor-host{padding:0;overflow:hidden}.chapter-editor-preview{overflow:auto;padding:10px 18px;line-height:1.85}.chapter-editor-preview>:first-child{margin-top:0}.chapter-editor-host .cm-editor{height:100%;background:var(--bg)}.chapter-editor-host .cm-scroller{font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:14px;line-height:1.85;padding:8px 6px}.chapter-editor-host .cm-content{caret-color:var(--accent)}.chapter-editor-host .cm-gutters{background:var(--panel);border:none}.chapter-editor-host .cm-activeLine{background:var(--active)}.chapter-editor-host .cm-cursor{border-left-color:var(--accent)}