:root { font-family: Arial, Helvetica, sans-serif; color: #183b36; background: #f5f8f5; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; padding: 24px; }
main { background: white; width: min(100%, 420px); padding: 38px; border: 1px solid #dce5df; border-radius: 12px; }
.brand { font-size: 21px; font-weight: 700; }
.brand small { display: block; margin-top: 5px; color: #62746d; font-size: 13px; font-weight: 400; }
h1 { font-size: 27px; letter-spacing: -.6px; line-height: 1.2; margin: 35px 0 12px; }
.intro, .note { font-size: 14px; line-height: 1.6; color: #62746d; }
form { margin-top: 28px; }
label { display: block; font-size: 13px; margin-bottom: 9px; }
input { width: 100%; padding: 12px; border: 1px solid #b6cbbd; border-radius: 6px; background: white; font: inherit; }
button { width: 100%; background: #206c59; border: 0; border-radius: 6px; padding: 13px; color: white; font-size: 14px; cursor: pointer; }
input:focus-visible, button:focus-visible { outline: 3px solid #bd8e35; outline-offset: 4px; }
.error { color: #a13930; font-size: 13px; min-height: 18px; line-height: 1.5; }
.note { margin-top: 22px; font-size: 12px; }
@media (max-width: 480px) { main { padding: 28px; } }