.checkout-phone-dialog {
  width: min(440px, calc(100% - 32px));
  max-width: 440px;
  box-sizing: border-box;
  padding: 24px;
  color: #0f172a;
  background: #fff;
  border: 1px solid #dbe2ea;
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, .24);
  font-family: Inter, sans-serif;
}
.checkout-phone-dialog::backdrop { background: rgba(15, 23, 42, .48); backdrop-filter: blur(3px); }
.checkout-phone-dialog form { display: grid; gap: 12px; }
.checkout-phone-dialog h2 { margin: 0; font-size: 20px; line-height: 1.3; }
.checkout-phone-dialog p { margin: 0 0 4px; color: #64748b; font-size: 14px; line-height: 1.5; }
.checkout-phone-dialog label { color: #334155; font-size: 13px; font-weight: 650; }
.checkout-phone-dialog input { width: 100%; min-height: 48px; box-sizing: border-box; padding: 0 13px; color: #0f172a; background: #fff; border: 1px solid #cbd5e1; border-radius: 10px; font: inherit; font-size: 16px; }
.checkout-phone-dialog input:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; border-color: #2563eb; }
.checkout-phone-dialog small { color: #64748b; font-size: 12px; line-height: 1.45; }
.checkout-phone-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.checkout-phone-actions button { min-height: 44px; padding: 0 14px; border: 1px solid #cbd5e1; border-radius: 9px; font: inherit; font-size: 14px; font-weight: 650; cursor: pointer; }
.checkout-phone-cancel { color: #334155; background: #fff; }
.checkout-phone-submit { color: #fff; background: #1d4ed8; border-color: #1d4ed8 !important; }
@media (max-width: 420px) {
  .checkout-phone-dialog { margin: auto 8px; padding: 20px; }
  .checkout-phone-actions { flex-direction: column-reverse; }
  .checkout-phone-actions button { width: 100%; }
}