body { font-family: Arial, sans-serif; margin:0; background:#f6f7f9; }
.wrap { max-width:560px; margin:0 auto; padding:24px; }
.card { background:#fff; padding:18px; border-radius:14px; box-shadow:0 6px 18px rgba(0,0,0,.06); }
label { display:block; margin:10px 0 6px; font-weight:600; }
input { width:100%; padding:10px; border-radius:10px; border:1px solid #ddd; box-sizing:border-box; }
button { margin-top:12px; width:100%; padding:12px; border:0; border-radius:12px; cursor:pointer; font-weight:700; background:#111; color:#fff; }
.msg { margin-top:10px; color:#b00020; }
.result { margin-top:14px; line-height:1.6; }
.hidden { display:none; }
a { display:inline-block; padding:10px 12px; border-radius:10px; background:#0b5; color:#fff; text-decoration:none; }