:root{--bg: #ffffff;--surface: #f6f8fa;--border: #d8dee4;--text: #1f2328;--muted: #636c76;--accent: #5b57d1;--accent-soft: #eceafd;--on-accent: #ffffff;--warn: #9a6700;--warn-soft: #fff8c5;--ok: #1a7f37;--ok-soft: #dafbe1;--ok-border: #4ac26b;--danger: #cf222e;--danger-soft: #ffebe9;--radius: 6px;--font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;--fs-list: 13px;--fs-read: 14.5px;--lh-read: 1.75;--read-width: 42em}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0d1117;--surface: #161b22;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #8b87f5;--accent-soft: rgba(139, 135, 245, .15);--on-accent: #0d1117;--warn: #d29922;--warn-soft: rgba(210, 153, 34, .15);--ok: #3fb950;--ok-soft: rgba(63, 185, 80, .15);--ok-border: #3fb950;--danger: #f85149;--danger-soft: rgba(248, 81, 73, .15)}}:root[data-theme=dark]{--bg: #0d1117;--surface: #161b22;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #8b87f5;--accent-soft: rgba(139, 135, 245, .15);--on-accent: #0d1117;--warn: #d29922;--warn-soft: rgba(210, 153, 34, .15);--ok: #3fb950;--ok-soft: rgba(63, 185, 80, .15);--ok-border: #3fb950;--danger: #f85149;--danger-soft: rgba(248, 81, 73, .15)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:var(--fs-list);line-height:1.5}code,pre{font-family:var(--font-mono)}.page-center,.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--muted)}.auth-card{width:320px;padding:28px 24px;background:var(--surface);border:1px solid var(--border);border-radius:calc(var(--radius) * 2);display:flex;flex-direction:column;gap:14px}.auth-title{margin:0 0 4px;font-size:17px;color:var(--text)}.auth-hint,.field-hint{margin:0;color:var(--muted);font-size:12px}.field{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:12px}.field input{padding:7px 9px;font:inherit;font-size:13px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}.field input:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.btn-primary{display:inline-block;padding:8px 14px;font:inherit;font-weight:600;color:var(--on-accent);background:var(--accent);border:none;border-radius:var(--radius);text-decoration:none;cursor:pointer}.btn-primary:disabled{opacity:.6;cursor:default}.btn-quiet{padding:4px 10px;font:inherit;color:var(--muted);background:transparent;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.form-error{margin:0;padding:7px 9px;color:var(--danger);background:var(--danger-soft);border-radius:var(--radius);font-size:12px}.panel{margin-top:20px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:calc(var(--radius) * 2)}.panel h2{margin:0 0 12px;font-size:14px}.invite-url{display:block;margin-top:12px;padding:8px 10px;font-family:var(--font-mono);font-size:12px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);word-break:break-all}.editor{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg)}.editor-toolbar{display:flex;gap:2px;padding:6px;border-bottom:1px solid var(--border);background:var(--surface)}.toolbar-btn{min-width:28px;padding:3px 7px;font:inherit;font-size:12px;color:var(--muted);background:transparent;border:1px solid transparent;border-radius:4px;cursor:pointer}.toolbar-btn:hover{color:var(--text);border-color:var(--border)}.toolbar-btn.is-active{color:var(--accent);background:var(--accent-soft)}.editor-body .ProseMirror,.post-content .ProseMirror{padding:12px 14px;font-size:var(--fs-read);line-height:var(--lh-read);color:var(--text);outline:none}.post-content .ProseMirror{padding:0;max-width:var(--read-width)}.editor-body .ProseMirror p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;height:0;color:var(--muted);pointer-events:none}.editor-body pre,.post-content pre{padding:10px 12px;overflow-x:auto;font-family:var(--font-mono);font-size:12.5px;line-height:1.6;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.editor-body blockquote,.post-content blockquote{margin:0 0 .85rem;padding-left:12px;color:var(--muted);border-left:3px solid var(--border)}.shell{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:10px;padding:9px 16px;background:var(--surface);border-bottom:1px solid var(--border)}.logo{font-weight:700;color:var(--accent);text-decoration:none}.spacer{flex:1}.topbar-error{margin:0;padding:7px 16px;color:var(--danger);background:var(--danger-soft);font-size:12px}.who{display:flex;align-items:center;gap:6px;color:var(--text)}.badge-admin{padding:1px 5px;font-size:10px;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:4px}.btn-sm{padding:4px 10px;font-size:12px}.columns{flex:1;display:grid;grid-template-columns:150px 1fr 170px;align-items:start}.side{display:flex;flex-direction:column;gap:2px;padding:16px 10px;border-right:1px solid var(--border);font-size:var(--fs-list)}.side-group{margin:14px 0 4px;padding:0 8px;color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.side-group:first-child{margin-top:0}.side-item{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:5px 8px;color:var(--text);text-decoration:none;border-radius:var(--radius)}.side-item:hover{background:var(--surface)}.side-item.is-active{color:var(--accent);background:var(--accent-soft);font-weight:600}.side-count{color:var(--muted);font-size:11px}.main{min-width:0;padding:16px 20px}.aside{padding:16px 10px;border-left:1px solid var(--border);font-size:var(--fs-list)}.aside h5{margin:0 0 8px;color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.aside p{margin:0 0 8px}.aside a{color:var(--text);text-decoration:none}.aside a:hover{text-decoration:underline}.aside-empty{color:var(--muted)}.post-list{display:flex;flex-direction:column}.post-row{display:flex;align-items:center;gap:8px;padding:8px 4px;border-bottom:1px solid var(--border);font-size:var(--fs-list)}.post-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);text-decoration:none}.post-title:hover{text-decoration:underline}.post-tags{display:flex;flex-shrink:0;gap:4px}.tag-chip{padding:1px 6px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:11px}.post-meta{flex-shrink:0;color:var(--muted);font-size:11px;white-space:nowrap}.pin{flex-shrink:0}.pager{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 0}.hint{padding:20px 4px;color:var(--muted);font-size:var(--fs-list)}.badge{display:inline-flex;align-items:center;flex-shrink:0;padding:1px 7px;border-radius:10px;font-size:11px;font-weight:600;line-height:1.6}.badge-neutral{color:var(--muted);background:var(--surface)}.badge-ok{color:var(--ok);background:var(--ok-soft)}.badge-warn{color:var(--warn);background:var(--warn-soft)}.badge-accent{color:var(--accent);background:var(--accent-soft)}.badge-danger{color:var(--danger);background:var(--danger-soft)}.post-detail{display:flex;flex-direction:column;gap:16px;max-width:var(--read-width)}.detail-head{display:flex;flex-direction:column;gap:8px}.detail-head 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4px;padding-bottom:6px}.compose{display:flex;flex-direction:column;gap:14px;max-width:var(--read-width)}.compose h1{margin:0;color:var(--text);font-size:20px}.compose-field{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:12px}.compose-field input,.compose-field select{padding:7px 9px;font:inherit;font-size:13px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}.compose-field input:focus,.compose-field select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}.compose-field select{align-self:flex-start;min-width:140px}.compose-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}@media(max-width:900px){.columns{grid-template-columns:96px 1fr}.aside{display:none}}.vote{display:inline-flex;align-items:center;gap:2px}.vote-btn{border:1px solid var(--border);background:transparent;color:var(--muted);border-radius:20px;padding:0 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var(--border);font-size:12px}.session-row:first-of-type{border-top:none}.session-current{color:var(--ok);font-size:11px;font-weight:600}.session-meta{color:var(--muted);font-size:11px}.session-actions{margin-left:auto}.member-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--border);font-size:13px}.member-row:first-of-type{border-top:none}.member-meta{color:var(--muted);font-size:11px}.member-actions{margin-left:auto}.reset-link-box{border:1px solid var(--accent);border-radius:6px;padding:12px;margin-top:12px;font-size:12px;word-break:break-all}.reset-link-warning{color:var(--muted);font-size:11px;margin-top:8px}