body{font-family:Arial,Helvetica,sans-serif;background:#f5f7fb;margin:0;padding:20px}
.auth-container, .profile-container{max-width:420px;margin:40px auto;background:#fff;padding:24px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.06)}
h1{margin-top:0;font-size:20px}
label{display:block;margin:10px 0;font-size:14px}
input[type="text"],input[type="email"],input[type="password"]{width:100%;padding:10px;border:1px solid #d7dde6;border-radius:4px}
button{background:#2b7cff;color:#fff;border:none;padding:10px 14px;border-radius:5px;cursor:pointer}
.errors{background:#fff3f3;border:1px solid #ffdbdb;color:#b00000;padding:8px;margin-bottom:12px;border-radius:4px}
a{color:#2b7cff}