/* Newsletter invites for events.whatsupsetx.com: a centred <dialog> and a bottom slide-in card.
   Built by /assets/js/wus-invite.js. Every hook uses the wus-invite prefix, because ad-block
   annoyance lists hide generic popup/newsletter/subscribe selectors (tasks/lessons.md,
   Events Website Rules, 2026-09-14). Tokens come from /assets/css/setx.css. */

/* ---------- shared form ---------- */
.wus-invite-form { display: flex; gap: var(--sp-2); margin: 0; }
.wus-invite-form input {
  flex: 1 1 auto; min-width: 0; min-height: 48px; padding: 0 14px;
  font-size: 16px; /* never below 16px: iOS zooms on focus */
  color: var(--black); background: var(--white);
  border: var(--border-med); border-radius: var(--radius-s);
}
.wus-invite-form input[aria-invalid="true"] { border-color: var(--error); }
.wus-invite-form button {
  flex: 0 0 auto; min-height: 48px; padding: 0 18px;
  font-size: 15px; font-weight: 800; line-height: 1; white-space: nowrap;
  color: var(--black); background: var(--gold);
  border: var(--border-med); border-radius: var(--radius-s); cursor: pointer;
}
.wus-invite-form button:disabled { opacity: 0.6; cursor: default; }
.wus-invite-note { margin: var(--sp-2) 0 0; font-size: 14px; font-weight: 600; line-height: 1.4; min-height: 1.4em; }
.wus-invite-note:empty { display: none; }
.wus-invite-note a { color: inherit; font-weight: 800; }

.wus-invite-x {
  position: absolute; top: 4px; right: 4px;
  width: 44px; height: 44px; padding: 0; display: grid; place-items: center;
  background: transparent; border: 0; border-radius: var(--radius-s); cursor: pointer; color: inherit;
}
.wus-invite-x::before, .wus-invite-x::after {
  content: ""; position: absolute; width: 18px; height: 2px; background: currentColor;
}
.wus-invite-x::before { transform: rotate(45deg); }
.wus-invite-x::after  { transform: rotate(-45deg); }

/* ---------- centred dialog ---------- */
.wus-invite-dlg {
  width: min(460px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px);
  margin: auto; padding: 0; overflow: auto;
  color: var(--ivory); background: var(--black);
  border: 2px solid var(--gold); border-radius: var(--radius-m);
  box-shadow: 6px 6px 0 var(--gold);
}
.wus-invite-dlg::backdrop { background: rgba(13, 13, 13, 0.6); }
.wus-invite-dlg .wus-invite-in { position: relative; padding: 36px 28px 24px; }
.wus-invite-dlg .wus-invite-in:focus { outline: none; }
.wus-invite-eyebrow {
  margin: 0 0 var(--sp-3); font-size: 12px; font-weight: 800; line-height: 1.2;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold);
}
.wus-invite-dlg h2 {
  margin: 0 0 var(--sp-3); padding-right: 32px;
  font-size: 30px; font-weight: 900; line-height: 1.0; letter-spacing: -0.035em;
  text-transform: uppercase; text-wrap: balance;
}
.wus-invite-dlg .wus-invite-body { margin: 0 0 var(--sp-5); font-size: 16px; line-height: 1.5; color: rgba(248, 246, 241, 0.86); }
.wus-invite-dlg .wus-invite-form input { border-color: var(--ivory); }
.wus-invite-dlg .wus-invite-form button { border-color: var(--gold); }
.wus-invite-dlg .wus-invite-note { color: var(--gold); }
.wus-invite-later {
  display: block; margin: var(--sp-3) auto 0; min-height: 44px; padding: 0 12px;
  font-size: 14px; font-weight: 600; color: rgba(248, 246, 241, 0.72);
  background: none; border: 0; text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.wus-invite-dlg[open] { animation: wus-invite-rise var(--dur-std) var(--ease-std); }

@media (max-width: 479px) {
  .wus-invite-dlg .wus-invite-in { padding: 32px 20px 16px; }
  .wus-invite-dlg h2 { font-size: 26px; }
  .wus-invite-dlg .wus-invite-form { flex-direction: column; }
  .wus-invite-dlg .wus-invite-form input,
  .wus-invite-dlg .wus-invite-form button { flex: 0 0 auto; width: 100%; }
}

/* ---------- slide-in card ---------- */
.wus-invite-card {
  position: fixed; right: 24px; bottom: 24px; z-index: var(--z-overlay);
  width: 360px; max-width: calc(100vw - 32px);
  color: var(--black); background: var(--ivory);
  border: var(--border-med); border-radius: var(--radius-m); box-shadow: var(--shadow-card);
}
.wus-invite-card[hidden] { display: none; }
.wus-invite-card .wus-invite-in { position: relative; padding: 20px 20px 18px; }
.wus-invite-card h2 {
  margin: 0 0 var(--sp-2); padding-right: 36px;
  font-size: 20px; font-weight: 900; line-height: 1.1; letter-spacing: -0.02em; text-transform: uppercase;
}
.wus-invite-card .wus-invite-body { margin: 0 0 var(--sp-4); font-size: 15px; line-height: 1.45; color: var(--text-2); }
.wus-invite-card .wus-invite-note { color: var(--success); }
.wus-invite-card.is-in { animation: wus-invite-slide var(--dur-slow) var(--ease-std); }

@media (max-width: 599px) {
  .wus-invite-card {
    left: 0; right: 0; bottom: 0; width: auto; max-width: none; max-height: 40vh; overflow: auto;
    border-width: 2px 0 0; border-radius: var(--radius-l) var(--radius-l) 0 0; box-shadow: 0 -8px 28px rgba(13, 13, 13, 0.18);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .wus-invite-card .wus-invite-in { padding: 16px 16px 14px; }
  .wus-invite-card h2 { font-size: 18px; }
  .wus-invite-card .wus-invite-body { margin-bottom: var(--sp-3); font-size: 14px; }
  .wus-invite-card .wus-invite-form button { padding: 0 14px; }
}

@keyframes wus-invite-rise  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes wus-invite-slide { from { opacity: 0; transform: translateY(110%); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .wus-invite-dlg[open], .wus-invite-card.is-in { animation: none; }
}