/* AIER Duplicate Email Prevention */
.aier-dup-msg { margin: 6px 0 10px; padding: 9px 12px; border-radius: 6px; font-size: 13px; line-height: 1.45; }
.aier-dup-msg.aier-hidden { display: none; }
.aier-dup-msg strong { font-weight: 700; }
.aier-dup-msg--warn  { background: #fff8e5; border: 1px solid #f0d78c; border-left: 4px solid #d99a00; color: #6b4e00; }
.aier-dup-msg--block { background: #fdecea; border: 1px solid #f5c2c7; border-left: 4px solid #c0392b; color: #842029; }
.aier-dup-field--block { border-color: #c0392b !important; box-shadow: 0 0 0 1px #c0392b; }
.aier-dup-field--warn  { border-color: #d99a00 !important; box-shadow: 0 0 0 1px #d99a00; }

/* "Sign In" button inside the message - three-step checkout only */
.aier-dup-signin-wrap { display: block; margin-top: 10px; }
.aier-dup-msg a.aier-dup-signin-btn,
.aier-dup-msg a.aier-dup-signin-btn:visited {
  display: inline-block; padding: 8px 22px; border-radius: 999px;
  background: #143b66; color: #fff !important; font-weight: 800; font-size: 14px; line-height: 1.3;
  text-decoration: none !important; border: 0; cursor: pointer;
}
.aier-dup-msg a.aier-dup-signin-btn:hover { background: #0f2d4f; color: #fff !important; }
.aier-dup-msg a.aier-dup-signin-btn:focus-visible { outline: 3px solid #1499a6; outline-offset: 2px; }

/* loader on "Add group to cart" / "Continue to checkout" while emails are validated */
.aier-dup-loading { opacity: .85; cursor: progress !important; }
.aier-dup-spinner { display: inline-block; width: 14px; height: 14px; margin-right: 6px; vertical-align: -2px;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: aier-dup-spin .7s linear infinite; }
@keyframes aier-dup-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .aier-dup-spinner { animation-duration: 2s; } }

/* Checkout Step 2: gated "Continue to checkout" + short reason line */
.aier-cksteps #aier-ck-to-checkout[disabled] { opacity: .5; cursor: not-allowed; }
.aier-cksteps #aier-ck-to-checkout[disabled].aier-dup-loading { opacity: .8; cursor: progress; }
.aier-dup-hint { margin: 4px 0 8px; font-size: 13px; color: #5b6770; }
.aier-dup-hint.aier-hidden { display: none; }

/* ---------------------------------------------------------------
 * Confirmation / restriction modal.
 * Uses the Group Membership modal's own classes
 * (.aier-modal-overlay / .aier-others-modal / -head / -body / -foot);
 * the rules below only size it, stack it above that modal, and give
 * fallbacks in case aier-membership-others.css isn't on the page.
 * --------------------------------------------------------------- */
body.aier-dup-modal-open { overflow: hidden; }

.aier-modal-overlay.aier-dup-modal-overlay {
  position: fixed; inset: 0; z-index: 10050; /* above #aier-others-modal-overlay (10000) */
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background: rgba(15, 23, 32, 0.55);
}
.aier-modal-overlay.aier-dup-modal-overlay.aier-hidden { display: none; }

.aier-others-modal.aier-dup-modal {
  max-width: 520px; width: 100%; max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden;
  background: #f2f8f8; border-radius: 10px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.aier-dup-modal .aier-others-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; background: #0f2733; }
.aier-dup-modal .aier-others-modal-title { color: #fff; font-weight: 800; letter-spacing: .03em; font-size: 13px; padding: 8px 0; }
.aier-dup-modal .aier-others-modal-close { background: none; border: none; color: #fff; font-size: 26px; line-height: 1; cursor: pointer; padding: 0 4px; }
.aier-dup-modal .aier-others-modal-body { padding: 20px 24px; overflow-y: auto; color: #1d2b36; font-size: 15px; line-height: 1.5; }
.aier-dup-modal .aier-others-modal-foot { display: flex; justify-content: flex-end; gap: 12px; padding: 16px 24px; border-top: 1px solid #d7e6e6; background: #fff; }

.aier-dup-modal-lead { margin: 0 0 12px; font-weight: 600; }
.aier-dup-modal-list { list-style: none; margin: 0 0 14px; padding: 0; }
.aier-dup-modal-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; margin-bottom: 8px; border-radius: 6px;
  background: #fff8e5; border: 1px solid #f0d78c; border-left: 4px solid #d99a00;
}
.aier-dup-modal--restrict .aier-dup-modal-item { background: #fdecea; border-color: #f5c2c7; border-left-color: #c0392b; }
.aier-dup-modal-email { font-size: 14px; font-weight: 600; color: #1d2b36; word-break: break-all; }
.aier-dup-modal-question { margin: 0; font-weight: 600; }
.aier-dup-modal--restrict .aier-dup-modal-question { color: #842029; }

/* button fallbacks (the site styles .aier-btn only inside #aier-membership / .aier-cksteps) */
.aier-dup-modal .aier-btn {
  border: none; background: #143b66; color: #fff; font-family: inherit; font-weight: 800; font-size: 14px;
  padding: 10px 20px; border-radius: 999px; cursor: pointer;
}
.aier-dup-modal .aier-btn--green { background: #0f7a5e; }
.aier-dup-modal .aier-btn--green:hover { background: #0c6450; }
.aier-dup-modal .aier-btn--ghost { background: #fff; color: #143b66; border: 1px solid #d8dde3; }
.aier-dup-modal .aier-btn--ghost:hover { background: #f3f7fb; }
.aier-dup-modal .aier-btn:focus-visible { outline: 3px solid #1499a6; outline-offset: 2px; }

@media (max-width: 520px) {
  .aier-dup-modal .aier-others-modal-body { padding: 16px; }
  .aier-dup-modal .aier-others-modal-foot { flex-direction: column-reverse; }
  .aier-dup-modal .aier-others-modal-foot .aier-btn { width: 100%; }
}