:root{--brand:#cf3d5d;--bg:#f5f6f8;--card:#fff;--text:#202124;--muted:#6b7280;--line:#e5e7eb;--danger:#b42318}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 Arial,Helvetica,sans-serif}a{color:#a42843;text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:#111216;color:#fff;padding:24px 16px;display:flex;flex-direction:column}.brand{font-size:28px;font-weight:800;letter-spacing:-1.3px}.brand span{color:var(--brand)}.brand small{display:block;font-size:11px;letter-spacing:2.2px;color:#aeb0b5;text-transform:uppercase;margin-top:-2px}.sidebar nav{display:flex;flex-direction:column;gap:5px;margin-top:32px}.sidebar nav a{color:#c9cbd1;padding:10px 12px;border-radius:9px}.sidebar nav a:hover,.sidebar nav a.active{background:#25272d;color:#fff;text-decoration:none}.sidebar-bottom{margin-top:auto;border-top:1px solid 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