*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--ink:#0f0f14;--ink-muted:#5a5a72;--ink-faint:#9898b0;--paper:#f5f4f0;--paper-white:#fafaf8;--accent:#1a5cff;--accent-hover:#0040d8;--accent-soft:#e8eeff;--tag-bg:#ececf4;--border:#e2e1de;--success:#0a7c4e;--warning:#b85c00;--radius:10px;--shadow:0 2px 16px rgba(15,15,20,0.08);--shadow-hover:0 6px 32px rgba(15,15,20,0.14);font-family:DM Sans,sans-serif}html{font-size:16px}body{background:var(--paper);color:var(--ink);min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}h1,h2,h3{font-family:"DM Serif Display",serif;font-weight:400}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.shell{display:flex;min-height:100vh}.sidebar{width:220px;min-width:220px;background:var(--ink);color:#fff;display:flex;flex-direction:column;padding:28px 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