:root{font-family:Arial,sans-serif;background:#f3f4f6;color:#111827}*{box-sizing:border-box}select{cursor:pointer}::placeholder{color:#a8b3c4;opacity:1}body{margin:0}.admin-shell{min-height:100vh;display:grid;place-items:center;padding:2rem;background:linear-gradient(135deg,rgba(30,64,175,.08),transparent),#f3f4f6}.admin-card{width:min(100%,680px);padding:2rem;border-radius:20px;background:white;box-shadow:0 12px 40px rgba(17,24,39,.08)}.admin-card h1{margin:.5rem 0 1rem;font-size:clamp(2rem,5vw,3.5rem)}.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;color:#1d4ed8}