:root { font-family: "Segoe UI", Arial, sans-serif; color: #102033; background: #eef2f6; }
* { box-sizing: border-box; letter-spacing: 0; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
main { width: min(420px, calc(100% - 32px)); margin: auto; padding: 40px 0; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 24px; overflow-wrap: anywhere; }
nav { display: flex; gap: 8px; margin-bottom: 24px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 6px; }
input { width: 100%; height: 44px; border: 1px solid #b8c4d4; border-radius: 6px; background: white; padding: 8px 12px; font: inherit; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid #788be0; outline-offset: 3px; }
button { min-height: 44px; border: 1px solid #33429a; border-radius: 6px; color: white; background: #33429a; padding: 10px 20px; font: inherit; font-weight: 600; cursor: pointer; }
nav button { flex: 1; }
nav button[aria-pressed="false"] { background: white; color: #33429a; }
form button { width: 100%; margin-top: 24px; }
button:disabled { opacity: .65; cursor: wait; }
#notice { padding: 12px; background: #fff; border-left: 3px solid #a33535; overflow-wrap: anywhere; }
#notice.success { border-color: #167a55; }
a { display: inline-block; color: #33429a; margin-top: 24px; }
footer { text-align: center; color: #607084; font-size: 12px; padding: 16px; }