:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e3e6ea;--text: #17181c;--muted: #697386;--accent: #1d4ed8;--accent-soft: #eaf0ff;--green: #0f7a3d;--green-soft: #e6f5ec;--amber: #a35b00;--amber-soft: #fdf1e0;--red: #b3261e;--red-soft: #fdeceb;--violet: #5b2ec4;--violet-soft: #f0eaff;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;margin:0 0 4px}h2{font-size:17px;margin:0 0 12px}h3{font-size:14px;margin:0 0 8px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.app{display:flex;min-height:100vh}.sidebar{width:232px;flex:0 0 232px;background:var(--surface);border-right:1px solid var(--border);padding:16px 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