*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  background: #f7f8f6; color: #061d2d; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; padding: 24px 16px;
}
.card { background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 28px; width: 100%; max-width: 420px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.logo { height: 32px; width: auto; }
.lang { border: 1px solid #e2e8f0; background: #fff; color: #061d2d; border-radius: 20px; padding: 6px 12px; font: inherit; font-size: var(--text-sm, 13px); font-weight: 600; cursor: pointer; min-height: 36px; }
h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 6px; }
.sub { font-size: .9375rem; color: #4c6f77; margin-bottom: 22px; line-height: 1.45; }
label { display: block; font-size: var(--text-sm, 13px); font-weight: 600; margin-bottom: 8px; }
.addr { display: flex; align-items: stretch; border: 1px solid #cbd5e1; border-radius: 10px; overflow: hidden; background: #fff; }
.addr:focus-within { border-color: #0b4f55; box-shadow: 0 0 0 3px rgba(11,79,85,.15); }
.addr input { flex: 1; min-width: 0; border: 0; outline: none; padding: 12px; font: inherit; font-size: var(--control-text, 16px); color: #061d2d; }
.suffix { display: flex; align-items: center; padding: 0 12px; background: #f1f5f9; color: #4c6f77; font-size: .9375rem; white-space: nowrap; }
.error { color: #b42318; font-size: var(--text-base, 15px); margin-top: 8px; }
.go { width: 100%; margin-top: 16px; min-height: 44px; border: 0; border-radius: var(--r-sm); background: #061d2d; color: #fff; font: inherit; font-size: var(--text-base, 15px); font-weight: 600; cursor: pointer; }
.go:hover { background: #0b2638; }
.go:focus-visible, .lang:focus-visible { outline: 3px solid #0b4f55; outline-offset: 2px; }
.hint { margin-top: 18px; font-size: var(--text-sm, 13px); color: #4c6f77; text-align: center; }
@media (max-width: 380px) { .suffix { font-size: .8125rem; padding: 0 8px; } }