:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #15313a;
  background: #edf5f5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 5%, rgba(68, 175, 183, .18), transparent 28rem),
    linear-gradient(160deg, #f7fbfa 0%, #e8f2f2 100%);
}

.shell { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; font-weight: 750; font-size: 18px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: #0d6173; color: white; font-size: 13px; letter-spacing: .04em; }
.card { background: rgba(255,255,255,.96); border: 1px solid #d8e5e5; border-radius: 24px; padding: clamp(24px, 6vw, 52px); box-shadow: 0 24px 70px rgba(13, 61, 70, .12); }
.eyebrow { color: #147989; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
h1 { margin: 10px 0 14px; font-size: clamp(34px, 7vw, 52px); line-height: 1.04; letter-spacing: -.035em; }
h2 { margin: 0 0 8px; font-size: 20px; }
p { line-height: 1.65; }
.lede { color: #526a70; font-size: 18px; margin-bottom: 28px; }
.notice { border-left: 4px solid #d66b5e; background: #fff5f3; border-radius: 8px 14px 14px 8px; padding: 18px 20px; }
.notice p { margin: 7px 0; }
.notice ul { padding-left: 22px; line-height: 1.7; }
.panel { margin-top: 28px; padding-top: 28px; border-top: 1px solid #dfe8e8; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.button { border: 0; border-radius: 12px; padding: 14px 18px; font: inherit; font-weight: 750; cursor: pointer; transition: transform .15s, opacity .15s; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:focus-visible, input:focus-visible, .text-button:focus-visible { outline: 3px solid #75cbd3; outline-offset: 2px; }
.button:disabled { opacity: .45; cursor: not-allowed; }
.secondary { background: #f1f6f6; color: #183941; border: 1px solid #cbdada; }
.dark { background: #172b31; color: white; }
.danger { width: 100%; background: #c83d35; color: white; margin-top: 18px; }
label { display: block; margin: 18px 0 7px; }
input[type="text"] { width: 100%; border: 1px solid #b9cccf; border-radius: 10px; padding: 13px 14px; font: inherit; }
.check-row { display: flex; align-items: flex-start; gap: 10px; }
.check-row input { width: 18px; height: 18px; margin-top: 3px; }
.text-button { display: block; margin: 14px auto 0; border: 0; background: transparent; color: #256d78; font: inherit; cursor: pointer; }
.status { color: #a72d27; min-height: 1.6em; margin: 18px 0 0; }
.success { text-align: center; margin-top: 32px; padding: 24px; background: #edf9f3; border-radius: 16px; }
.success-icon { display: grid; place-items: center; margin: 0 auto 12px; width: 52px; height: 52px; border-radius: 50%; background: #21865b; color: white; font-size: 28px; }
footer { display: flex; justify-content: space-between; color: #60777c; font-size: 13px; padding: 20px 4px; }
footer a { color: #256d78; text-underline-offset: 3px; }
[hidden] { display: none !important; }

@media (max-width: 560px) {
  .shell { width: min(100% - 20px, 760px); padding-top: 18px; }
  .card { border-radius: 18px; }
  .actions { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 5px; }
}