/* TOGOPEPTIDE — Checkout polish · Cluster 05
 *
 *   Adds (additive, never removes):
 *     - VAT breakdown row (#158)              .pay-summary__row--vat / --shipping
 *     - Free-shipping NL/EU dual-threshold tooltip (#159 helper)
 *     - Loading spinner (#173)                .pay-spinner
 *     - Checkout button micro-glow (#175)     .btn[data-glow="checkout"]
 *     - Real-time email validation (#179)     .pay-email-state*
 *     - Sticky panel ≥880px (#182)            .pay-summary breakpoint override
 *     - Terms-modal overlay (#178)            .pay-modal*
 *     - Success checkmark scale-in (#184)     .success-check (override animation)
 *     - Success cross-sell card (#187)        .success-cross
 */

/* ─── #158 · VAT breakdown ────────────────────────────── */
.pay-summary__row--shipping span:last-child,
.pay-summary__row--vat span:last-child {
  color: var(--color-text-soft);
  font-variant-numeric: tabular-nums;
}
.pay-summary__row--vat {
  color: var(--color-text-muted);
}

/* ─── #182 · Sticky panel from 880px (pay-glowup uses 960; we prefer 880) ─ */
@media (min-width: 880px) and (max-width: 959px) {
  .pay-layout {
    grid-template-columns: minmax(0, 1fr) 340px !important;
    align-items: start;
  }
  .pay-summary {
    position: sticky !important;
    top: 96px;
  }
}

/* ─── #173 · Order-creation loading spinner ──────────── */
.pay-spinner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  vertical-align: middle;
}
.pay-spinner__icon {
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: paySpin 720ms linear infinite;
  flex-shrink: 0;
}
@keyframes paySpin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .pay-spinner__icon { animation-duration: 2400ms; }
}
.pay-spinner__text {
  font-size: var(--text-sm, 14px);
  color: var(--color-text-soft);
}

/* ─── #174 · Retry button after timeout ──────────────── */
.pay-retry-btn {
  margin-top: 10px;
  padding: 8px 14px;
  border: 1px solid var(--color-border-accent, var(--color-accent, #e01b1b));
  border-radius: var(--radius-md, 8px);
  background: transparent;
  color: var(--color-accent, #e01b1b);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pay-retry-btn:hover {
  background: color-mix(in srgb, var(--color-accent, #e01b1b) 10%, transparent);
}
.pay-retry-btn svg { width: 14px; height: 14px; }

/* ─── #175 · Checkout button micro-glow on hover (CSS only) ─── */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  #pay-checkout {
    transition: box-shadow 220ms ease, transform 160ms ease, filter 220ms ease;
  }
  #pay-checkout:hover:not(:disabled) {
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--color-accent, #e01b1b) 70%, transparent),
      0 0 22px color-mix(in srgb, var(--color-accent, #e01b1b) 32%, transparent),
      0 6px 18px color-mix(in srgb, var(--color-accent, #e01b1b) 18%, transparent);
    filter: brightness(1.04);
  }
  #pay-checkout:active:not(:disabled) {
    transform: translateY(1px);
  }
}

/* ─── #179 · Real-time email validation indicator ────── */
.field--email {
  position: relative;
}
.pay-email-state {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  width: 18px; height: 18px;
  display: grid; place-items: center;
  opacity: 0;
  transition: opacity 180ms ease;
}
.pay-email-state[data-state="valid"] {
  opacity: 1;
  color: #22c55e;
}
.pay-email-state[data-state="invalid"] {
  opacity: 1;
  color: var(--color-text-muted, #9d9da5);
}
.pay-email-state svg { width: 18px; height: 18px; }
/* Pad input so the icon doesn't overlap the typed text */
.field--email .input { padding-right: 40px; }

/* ─── #178 · Terms / Research-use modal overlay ──────── */
.pay-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.pay-modal[data-open="true"] { display: flex; }
.pay-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
}
.pay-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  max-height: min(85vh, 720px);
  background: var(--color-surface, #161616);
  border: 1px solid var(--color-border, #2a2a2a);
  border-radius: var(--radius-lg, 14px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}
.pay-modal__head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border, #2a2a2a);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.pay-modal__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text, #fff);
}
.pay-modal__close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border, #2a2a2a);
  background: transparent;
  color: var(--color-text, #fff);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
}
.pay-modal__close:hover { color: var(--color-accent, #e01b1b); border-color: var(--color-accent, #e01b1b); }
.pay-modal__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}
.pay-modal__iframe {
  width: 100%;
  height: 100%;
  min-height: 60vh;
  border: 0;
  background: var(--color-bg, #0a0a0a);
}
.pay-modal__foot {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border, #2a2a2a);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ─── #184 · Success checkmark scale-in (Sunnah-safe — no confetti) ─ */
@keyframes successCheckIn {
  0%   { transform: scale(0.4); opacity: 0; }
  60%  { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes successCheckStroke {
  to { stroke-dashoffset: 0; }
}
body[data-page="success"] .success-check {
  animation: successCheckIn 240ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
body[data-page="success"] .success-check svg polyline {
  stroke-dasharray: 28;
  stroke-dashoffset: 28;
  animation: successCheckStroke 360ms ease-out 200ms forwards;
}
@media (prefers-reduced-motion: reduce) {
  body[data-page="success"] .success-check { animation: none; }
  body[data-page="success"] .success-check svg polyline {
    stroke-dasharray: none;
    stroke-dashoffset: 0;
    animation: none;
  }
}
/* Hide existing confetti overlay — Sunnah-safe rule (no celebratory particles) */
body[data-page="success"] .success-confetti {
  display: none !important;
}

/* ─── #187 · Cross-sell card on success page ─────────── */
.success-cross {
  margin: var(--space-5, 28px) auto 0;
  padding: var(--space-4, 20px);
  max-width: 640px;
  background: var(--color-surface, #161616);
  border: 1px solid var(--color-border, #2a2a2a);
  border-radius: var(--radius-lg, 14px);
  text-align: left;
}
.success-cross__eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted, #9d9da5);
}
.success-cross__title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text, #fff);
  line-height: 1.35;
}
.success-cross__row {
  display: flex;
  gap: 14px;
  align-items: center;
}
.success-cross__img {
  width: 56px; height: 56px;
  border-radius: 10px;
  background: var(--color-bg-elevated, #0f0f0f);
  border: 1px solid var(--color-border, #2a2a2a);
  object-fit: cover;
  flex: 0 0 56px;
}
.success-cross__info { flex: 1 1 auto; min-width: 0; }
.success-cross__name {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text, #fff);
}
.success-cross__lead {
  margin: 0;
  font-size: 12.5px;
  color: var(--color-text-soft, #cbd5e1);
  line-height: 1.45;
}
.success-cross__cta {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--color-border-accent, var(--color-accent, #e01b1b));
  border-radius: var(--radius-md, 8px);
  color: var(--color-accent, #e01b1b);
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}
.success-cross__cta:hover {
  background: color-mix(in srgb, var(--color-accent, #e01b1b) 10%, transparent);
}
.success-cross__note {
  margin: 10px 0 0;
  font-size: 11px;
  color: var(--color-text-muted, #9d9da5);
  line-height: 1.4;
}

/* Light-theme tweaks */
[data-theme="light"] .pay-modal__dialog { background: #fff; }
[data-theme="light"] .pay-modal__iframe { background: #fff; }
[data-theme="light"] .success-cross { background: #fff; }