* { box-sizing: border-box; }
body { margin:0; padding:20px; background:#f4f4f4; font-family:Arial,sans-serif; color:#222; }
main { max-width:520px; margin:35px auto; padding:30px; background:white; box-shadow:0 3px 18px #0002; }
header { text-align:center; border-bottom:3px solid #c8102e; padding-bottom:20px; }
.logo { width:120px; height:auto; }
h1 { color:#c8102e; font-size:26px; }
label { display:block; margin:20px 0 7px; font-weight:bold; }
input { width:100%; padding:12px; border:1px solid #bbb; border-radius:5px; font-size:16px; }
button { width:100%; margin-top:25px; padding:13px; background:#c8102e; color:white; border:0; border-radius:5px; font-size:17px; cursor:pointer; }
button:hover { background:#a50d25; }
.errors { padding:12px; background:#fbecef; border-left:4px solid #c8102e; margin-top:20px; }
footer { text-align:center; margin-top:25px; color:#666; }