:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #f1f3f6;--border: #dfe3e8;--text: #1b1f24;--muted: #667085;--accent: #4a3aff;--accent-soft: #ece9ff;--ok: #157f47;--ok-soft: #e3f5ea;--warn: #96650a;--warn-soft: #fdf1d9;--err: #b3261e;--err-soft: #fdecea;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .05)}@media(prefers-color-scheme:dark){:root{--bg: #14161a;--surface: #1c1f24;--surface-2: #23272e;--border: #31363f;--text: #e8eaed;--muted: #9aa2ae;--accent: #9d92ff;--accent-soft: #2a2745;--ok: #6cd396;--ok-soft: #17301f;--warn: #e5b567;--warn-soft: #33290f;--err: #f2837c;--err-soft: #3a1c1a;--shadow: none}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 14px}.brand{font-weight:700;font-size:17px;padding:0 10px 18px;letter-spacing:-.2px}.nav a{display:block;padding:9px 10px;border-radius:8px;color:var(--text);margin-bottom:2px}.nav a:hover{background:var(--surface-2);text-decoration:none}.nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.content{padding:24px 28px 60px;max-width:1180px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}h1{font-size:22px;margin:0;letter-spacing:-.3px}h2{font-size:16px;margin:0 0 12px}.muted{color:var(--muted);font-size:13px}.card{background:var(--surface);border:1px solid 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