:root{font-family:system-ui;color:#18303a;background:#f4f7f8}*{box-sizing:border-box}body{margin:0}header{background:#164e63;color:white;padding:1rem;display:flex;gap:1rem;flex-wrap:wrap}.brand,nav a{color:white;text-decoration:none;font-weight:700}nav{display:flex;gap:.8rem;flex-wrap:wrap}main{max-width:1100px;margin:auto;padding:1rem}.card{background:white;border-radius:12px;padding:1rem;margin:.8rem 0;box-shadow:0 2px 12px #0001}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}label{display:block;margin:.5rem 0}input,select,button,textarea{font:inherit;min-height:44px;padding:.6rem;max-width:100%}button{cursor:pointer}.warning{border-left:5px solid #d97706;padding:.7rem;background:#fff7ed}.alert{padding:.8rem;border-radius:8px;background:#fee2e2}.login{max-width:420px;margin:10vh auto}@media(max-width:640px){header,nav{display:block}nav a,nav form{display:block;margin:.7rem 0}.card{overflow-wrap:anywhere}}