:root{--bg:#f6f7fb;--surface:#ffffff;--border:#e6e7ee;--text:#16161d;--muted:#6b6b7b;--primary:#6d5df6;--primary-weak:#efedfe;--highlight:#ff6b5e;--green:#1faa6b;--radius:14px;--shadow:0 1px 2px rgba(16,16,30,0.04),0 4px 16px rgba(16,16,30,0.05)}@media (prefers-color-scheme:dark){:root{--bg:#0c0c12;--surface:#15151f;--border:#262636;--text:#f2f2f7;--muted:#9a9aae;--primary:#8b7dff;--primary-weak:#1e1b3a;--highlight:#ff7d71;--green:#35c98a;--shadow:0 1px 2px rgba(0,0,0,0.3),0 4px 20px rgba(0,0,0,0.35)}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--border);background:var(--surface);padding:22px 16px;display:flex;flex-direction:column;gap:6px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.sidebar .brand{font-size:20px;font-weight:800;padding:4px 8px 18px;letter-spacing:-.02em}.sidebar .brand span{color:var(--primary);font-weight:600}.sidebar nav{display:flex;flex-direction:column;gap:2px}.sidebar nav a{padding:9px 12px;border-radius:10px;color:var(--muted);font-weight:500}.sidebar nav a:hover{background:var(--bg);color:var(--text)}.sidebar nav a.active{background:var(--primary-weak);color:var(--primary);font-weight:600}.sidebar .logout{margin-top:auto;padding:9px 12px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer;font-size:13px;text-align:left}.sidebar .logout:hover{color:var(--highlight);border-color:var(--highlight)}.main{padding:32px 36px;max-width:1200px;width:100%}.loading{display:grid;place-items:center;height:100vh;color:var(--muted)}h1{font-size:26px;font-weight:800;letter-spacing:-.02em;margin:0 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