.chapter-workspace{grid-template-columns:286px minmax(0,1fr)}.chapter-workspace .sidebar{gap:0;padding:18px 14px 12px;background:var(--paper);height:calc(100dvh - 0px)}.book-sidebar-top{display:flex;align-items:center;gap:8px;padding-bottom:19px;border-bottom:1px solid var(--line)}.book-mark{display:grid;place-items:center;width:29px;height:32px;background:var(--accent);color:var(--paper);border-radius:5px}.book-sidebar-top select{min-width:0;flex:1;background:none;color:var(--ink);border:0;font-weight:650;padding:4px}.book-sidebar-top select option{background:var(--paper);color:var(--ink)}.chapter-new-book{border:0;background:var(--accent);color:var(--paper);border-radius:8px;font-size:23px;width:30px;height:30px;line-height:1}.book-sidebar-links{display:flex;gap:6px;flex-wrap:wrap;padding:13px 0}.book-sidebar-links button{display:inline-flex;align-items:center;gap:7px;border:0;background:none;color:var(--muted);padding:6px;font-size:11px}.chapter-directory-heading{display:flex;align-items:center;justify-content:space-between;padding:10px 6px;font-size:13px}.chapter-directory-heading button{border:0;background:none;color:var(--muted);font-size:19px;padding:0 8px}.chapter-search{display:flex;gap:8px;align-items:center;color:var(--muted);background:var(--soft);padding:7px 10px;border-radius:7px;margin:0 0 12px}.chapter-search input{min-width:0;width:100%;border:0;background:none;color:var(--ink);font-size:11px;outline:0}.chapter-tree{flex:1;min-height:100px;overflow:auto}.chapter-tree ul{list-style:none;padding:0;margin:0}.chapter-row{display:flex;align-items:center;min-height:38px;padding-left:calc(2px + var(--level)*15px);border-radius:7px;gap:2px;margin:2px 0}.chapter-row:hover{background:var(--soft)}.chapter-row.selected{background:var(--soft);box-shadow:inset 3px 0 var(--accent)}.chapter-row a{min-width:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px;padding:7px 2px}.chapter-toggle{width:21px;flex-shrink:0;font-size:18px;border:0;color:var(--muted);background:none;padding:0}.chapter-toggle:disabled{cursor:default;opacity:.35}.chapter-add{width:25px;flex-shrink:0;border:0;background:none;color:var(--muted);padding:0;font-size:18px;opacity:.45}.chapter-row:hover .chapter-add,.chapter-row:focus-within .chapter-add{opacity:1}.chapter-bottom{border-top:1px solid var(--line);padding-top:10px;margin-top:12px}.chapter-bottom>button{border:0;background:none;color:var(--accent);padding:7px;font-size:12px}.tree-empty{padding:16px 8px;color:var(--muted);font-size:12px}.chapter-properties{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:18px;padding:9px 0}.chapter-properties summary{color:var(--muted);font-size:11px;cursor:pointer}.chapter-properties .editor-meta{padding-top:12px}.chapter-quick-add{display:flex;align-items:center;gap:8px;margin:15px 0;flex-wrap:wrap}.chapter-quick-add>span{color:var(--muted);font-size:11px;margin-right:auto}.chapter-quick-add .btn{font-size:11px;padding:6px 10px}.chapter-workspace .title-input{padding-top:18px}.chapter-pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-top:1px solid var(--line);margin-top:28px;padding:20px 0 65px}.chapter-pager a small,.chapter-pager a strong{display:block}.chapter-pager small{font-size:11px;color:var(--muted)}.chapter-pager strong{font-weight:500;font-size:13px;margin-top:7px}.chapter-pager>:last-child{text-align:right}.chapter-pager button{border:0;color:var(--accent);background:var(--soft);border-radius:8px;padding:15px}.book-welcome{max-width:700px;padding:65px 20px;margin:auto}.book-welcome h1{font:40px var(--serif)}.book-welcome p{color:var(--muted);line-height:2}.outline-example{font-size:15px;line-height:2.4;padding:25px;background:var(--soft);border-radius:12px;margin:25px 0}.outline-example span{color:var(--muted)}.chapter-mobile-close{display:none}html[data-theme=dark] .book-mark,html[data-theme=dark] .chapter-new-book{color:#111827}@media(max-width:1000px){.chapter-workspace{grid-template-columns:245px minmax(0,1fr)}.chapter-workspace .work-main{padding-left:22px;padding-right:22px}}@media(max-width:700px){.chapter-workspace{display:block}.chapter-workspace .sidebar{width:min(310px,85vw);z-index:45;height:100dvh}.chapter-mobile-close{display:block;background:none;border:0;color:var(--ink);font-size:23px}.chapter-workspace .work-main{padding-left:17px;padding-right:17px}.chapter-quick-add>span{width:100%}.book-welcome{padding:35px 0}.chapter-add{opacity:1}.chapter-workspace.menu-open:before{content:'';position:fixed;inset:0;background:#0005;z-index:44}.chapter-pager{gap:12px}}