:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f3;
  color: #111;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
.shell { width: min(100%, 620px); margin: 0 auto; padding: 32px 20px 56px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 750; letter-spacing: -0.01em; }
.mark { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; color: #fff; background: #111; }
.card { margin-top: 36px; padding: clamp(24px, 7vw, 44px); background: #fff; border: 1px solid #deded9; border-radius: 20px; box-shadow: 0 18px 55px rgb(0 0 0 / 7%); }
.eyebrow { margin: 0 0 12px; color: #456b63; font-size: 11px; letter-spacing: 0.12em; font-weight: 800; }
h1 { margin: 0; font-size: clamp(31px, 8vw, 48px); line-height: 1.04; letter-spacing: -0.055em; }
.lede { margin: 18px 0 0; color: #555; font-size: 16px; line-height: 1.6; }
.notice { margin: 28px 0 18px; padding: 12px 14px; border-left: 3px solid #456b63; background: #f1f5f3; color: #27423c; font-size: 14px; line-height: 1.45; }
.button { display: inline-flex; justify-content: center; width: 100%; min-height: 48px; border: 0; border-radius: 10px; padding: 12px 18px; font: inherit; font-weight: 750; cursor: pointer; }
.button-primary { color: #fff; background: #111; }
.button-primary:hover { background: #333; }
.button-primary:disabled { opacity: 0.55; cursor: wait; }
.help { margin: 12px 0 0; color: #6b6b67; font-size: 12.5px; line-height: 1.5; }
.hidden { display: none; }
form { margin-top: 22px; }
fieldset { margin: 0 0 22px; padding: 0; border: 0; }
legend { margin-bottom: 12px; font-size: 15px; font-weight: 750; }
label { display: grid; gap: 7px; margin: 0 0 14px; color: #282826; font-size: 13px; font-weight: 650; }
input, textarea { width: 100%; border: 1px solid #bfc2bd; border-radius: 8px; padding: 12px; background: #fff; color: #111; font: inherit; font-weight: 450; }
input:focus, textarea:focus { outline: 3px solid rgb(69 107 99 / 22%); border-color: #456b63; }
.code { letter-spacing: 0.55em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 24px; text-align: center; }
.consent { grid-template-columns: 18px 1fr; align-items: start; font-weight: 500; line-height: 1.5; }
.consent input { margin-top: 2px; width: 16px; height: 16px; }
@media (max-width: 440px) { .shell { padding: 20px 14px 40px; } .card { margin-top: 24px; border-radius: 16px; } }