:root{--bg: #ffffff;--surface: #f5f6f8;--border: #d8dbe0;--text: #1c1f24;--muted: #6a7280;--accent: #1f6feb;--accent-text: #ffffff;--danger: #c62828;--danger-bg: #fdecec;--ok: #1a7f37;--warn: #9a6700;--font-ui: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}@media (prefers-color-scheme: dark){:root{--bg: #14171c;--surface: #1d2127;--border: #343a43;--text: #e3e6ea;--muted: #8b94a1;--accent: #5b9dff;--accent-text: #0b0e12;--danger: #ff7b72;--danger-bg: #3a1d1d;--ok: #3fb950;--warn: #d29922}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 var(--font-ui)}a{color:var(--accent);text-decoration:none}code,pre,.mono{font-family:var(--font-mono)}input{font:inherit;color:inherit;background:var(--bg);border:1px solid var(--border);border-radius:3px;padding:5px 8px}input:focus{outline:2px solid var(--accent);outline-offset:-1px}button{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:3px;padding:5px 12px;cursor:pointer}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}button:disabled{opacity:.6;cursor:default}.topbar{display:flex;align-items:center;gap:16px;padding:0 16px;height:40px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:600;color:var(--text)}.topbar nav{display:flex;gap:12px;flex:1}.topbar nav a.active{color:var(--text);font-weight:600}.topbar .user{color:var(--muted)}.page{padding:16px}.muted{color:var(--muted)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{width:320px;max-width:100%;display:flex;flex-direction:column;gap:10px}.login-card h1{font-size:18px;margin:0 0 6px}.login-card label{display:flex;flex-direction:column;gap:3px;color:var(--muted)}.login-error{color:var(--danger);background:var(--danger-bg);padding:6px 8px;border-radius:3px}.login-or{display:flex;align-items:center;gap:8px;color:var(--muted);margin:6px 0}.login-or:before,.login-or:after{content:"";flex:1;border-top:1px solid var(--border)}.login-google{min-height:40px}.home{display:flex;gap:16px;align-items:flex-start}.home-side{width:280px;flex:none;max-height:calc(100vh - 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