:root{--bg: #f7f6f3;--panel: #ffffff;--ink: #1c1a17;--muted: #6b6862;--line: #e4e1da;--blue: #1a3a8f;--red: #b3261e;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.centered{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:32px;max-width:440px}.card h1{margin-top:0;font-size:20px}.muted{color:var(--muted)}.error{color:var(--red)}button{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:var(--panel);cursor:pointer}button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}aside{background:var(--panel);border-right:1px solid var(--line);padding:20px;display:flex;flex-direction:column;gap:20px}.brand{font-weight:600;letter-spacing:.04em}nav{display:flex;flex-direction:column;gap:4px}nav a{padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--ink)}nav a.active{background:var(--bg);font-weight:600}.who{margin-top:auto;font-size:13px;display:flex;flex-direction:column;gap:6px;align-items:flex-start}.content{padding:32px}.list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.list li{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}code{background:var(--bg);padding:1px 5px;border-radius:4px;font-size:12px}