:root{--navy:#0f172a;--blue:#3b82f6;--purple:#8b5cf6;--lavender:#c4b5fd;--mist:#f8fafc;--slate:#64748b;--border:#e2e8f0;--white:#fff}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--mist);color:var(--navy);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.brand{letter-spacing:-.04em;align-items:center;gap:10px;font-size:22px;font-weight:800;display:inline-flex}.brandMark{width:34px;color:var(--blue)}.brandAccent{color:var(--purple)}.shell{grid-template-columns:250px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--navy);color:#fff;flex-direction:column;gap:34px;padding:26px 20px;display:flex}.nav{gap:8px;display:grid}.nav a{color:#cbd5e1;border-radius:10px;padding:11px 12px}.nav a:hover,.nav a.active{color:#fff;background:#1e293b}.main{padding:36px}.eyebrow{color:var(--purple);text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:700}h1{letter-spacing:-.055em;margin:12px 0 18px;font-size:clamp(36px,5vw,64px);line-height:.98}.lead{max-width:700px;color:var(--slate);font-size:19px;line-height:1.6}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:32px;display:grid}.card{border:1px solid var(--border);background:#fff;border-radius:18px;padding:22px;box-shadow:0 8px 30px #0f172a0d}.metric{margin-top:10px;font-size:34px;font-weight:800}.muted{color:var(--slate)}.authPage{background:radial-gradient(circle at top, #eef2ff, var(--mist) 50%);place-items:center;min-height:100vh;padding:24px;display:grid}.authCard{border:1px solid var(--border);background:#fff;border-radius:22px;width:min(430px,100%);padding:30px;box-shadow:0 20px 60px #0f172a1a}.authCard h1{margin-top:28px;font-size:34px}.form{gap:14px;display:grid}.input{border:1px solid var(--border);border-radius:10px;width:100%;padding:12px 14px}.button{color:#fff;cursor:pointer;background:linear-gradient(135deg, var(--blue), var(--purple));border:0;border-radius:10px;padding:12px 16px;font-weight:700}.error{color:#b91c1c;font-size:14px}@media (max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:none}.grid{grid-template-columns:1fr}.main{padding:24px}}