:root{font-family:Arial,'Malgun Gothic',sans-serif;color:#182432;background:#f4f6fa;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer}body{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{background:white;border:1px solid #dce2ed;border-radius:14px;width:min(100%,440px);padding:32px;box-shadow:0 10px 40px #122c5510}.brand{font-weight:700;color:#2345d9;letter-spacing:2px}h1{font-size:26px;margin:18px 0 10px}p{line-height:1.6;color:#627087}label{display:grid;gap:8px;margin:18px 0}input,select{padding:12px;border:1px solid #cbd4e2;border-radius:7px;width:100%}input:focus{outline:2px solid #2543db;outline-offset:1px}button{background:#2543db;color:white;border:0;border-radius:7px;padding:13px 18px;width:100%;margin-top:10px}button:disabled{opacity:.55;cursor:wait}.secondary{background:#eef1ff;color:#2543db}#auth-message{color:#b12731;font-size:14px}@media(max-width:480px){body{padding:14px}.auth-card{padding:24px}}