:root{--bg: #f4f6fb;--surface: #ffffff;--surface-2: #f8fafc;--border: #e7ebf3;--text: #1f2733;--text-dim: #6b7686;--text-faint: #99a3b2;--accent: #4f6bed;--accent-soft: #eef1fe;--accent-2: #7c5cf0;--green: #22b07d;--amber: #e6a23c;--red: #e05252;--radius: 14px;--radius-sm: 10px;--shadow: 0 1px 2px rgba(20, 30, 60, .04), 0 8px 24px rgba(20, 30, 60, .06);--sidebar-w: 232px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}:root[data-theme=dark]{--bg: #101217;--surface: #181b22;--surface-2: #20242d;--border: #2c3340;--text: #eef2f7;--text-dim: #b5bfcc;--text-faint: #7f8998;--accent: #8094ff;--accent-soft: rgba(128, 148, 255, .16);--accent-2: #9a84ff;--green: #42c68e;--amber: #f0b85a;--red: #ff6b6b;--shadow: 0 1px 2px rgba(0, 0, 0, .28), 0 12px 28px rgba(0, 0, 0, .24)}@media (prefers-color-scheme: dark){:root[data-theme=system]{--bg: #101217;--surface: #181b22;--surface-2: #20242d;--border: #2c3340;--text: #eef2f7;--text-dim: #b5bfcc;--text-faint: #7f8998;--accent: #8094ff;--accent-soft: rgba(128, 148, 255, .16);--accent-2: #9a84ff;--green: #42c68e;--amber: #f0b85a;--red: #ff6b6b;--shadow: 0 1px 2px rgba(0, 0, 0, .28), 0 12px 28px rgba(0, 0, 0, .24)}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit}.auth-gate-loading{min-height:100vh;display:grid;place-items:center;color:var(--text-dim);background:var(--bg);font-size:13px}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;gap:6px}.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px}.brand .logo{width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:12px}.brand .logo 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