:root{--bg:#f5f7fb;--panel:#fff;--text:#0b1220;--muted:#5a6b84;--border:rgba(12,24,48,.1);--shadow:0 10px 30px rgba(11,18,32,.08);--radius:14px;--side1:#0b2a64;--side2:#0a1e44;--accent:#2d6bff;--accent2:#1b4fd6}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:radial-gradient(1200px 800px at 20% 10%,rgba(45,107,255,.35),transparent 55%),linear-gradient(180deg,var(--side1),var(--side2));color:#eaf1ff;padding:18px 14px}.brand{display:flex;gap:12px;align-items:center;padding:10px 10px 14px}.brand small{display:block;opacity:.75;font-size:12px;margin-top:2px}.nav{flex-direction:column;gap:6px;margin-top:6px}.nav,.nav a{display:flex}.nav a{align-items:center;gap:10px;padding:10px 12px;border-radius:12px;color:#eaf1ff;text-decoration:none;opacity:.9}.nav a.active{background:rgba(45,107,255,.28);border:1px solid rgba(45,107,255,.35);opacity:1}.nav a:hover{background:hsla(0,0%,100%,.06)}.main{padding:22px 24px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.topbar .hello{font-weight:800;font-size:18px}.actions{display:flex;gap:10px;align-items:center}.pill{background:rgba(45,107,255,.1);border:1px solid rgba(45,107,255,.22);padding:8px 12px;border-radius:999px;color:#0b2a64;font-weight:600;font-size:13px}.btn{background:linear-gradient(180deg,var(--accent),var(--accent2));color:#fff;text-decoration:none;padding:10px 14px;border-radius:12px;font-weight:700;box-shadow:0 10px 20px rgba(45,107,255,.22)}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.container{max-width:1200px}.grid{display:grid;grid-gap:14px;gap:14px}