/* pay.pack3d.com — D2 structural base. Deliberately UNBRANDED (pay-spec §0):
   D1 supplies the visual identity later; this layer supplies structure,
   states, and the A-webapp-mandated components only. */

:root {
  --p3d-font-body: 'Inter', system-ui, sans-serif;
  --p3d-font-display: 'Exo 2', 'Inter', system-ui, sans-serif;
  --p3d-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --p3d-width-sm: 38rem;
  --p3d-radius-sm: 2px;
  --pay-ink: #082f42;
  --pay-ink-muted: #5e6d74;
  --pay-line: #d6dfe1;
  --pay-surface: #ffffff;
  --pay-bg: #f4f7f7;
  --pay-accent: #0eab71;
  --pay-accent-hover: #12d98f;
  --pay-ok: #1d7a46;
  --pay-warn: #a15c00;
  --pay-bad: #a12626;
  --pay-field-shadow: inset 0 1px 2px rgba(8, 47, 66, .045);
  --pay-field-focus-shadow: var(--pay-field-shadow), 0 0 0 2px rgba(49, 95, 157, .14);
  --pay-field-invalid-focus-shadow: var(--pay-field-shadow), 0 0 0 2px rgba(180, 35, 43, .12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--p3d-font-body);
  color: var(--pay-ink);
  background: var(--pay-bg);
  -webkit-font-smoothing: antialiased;
  background-color: #f6f6f6;
  background-image: url('https://app.pack3d.com/rs/brand/bg.svg');
  background-repeat: repeat;
  background-attachment: fixed;
  background-size: 1000px auto;
}

.pay-shell {
  max-width: var(--p3d-width-sm);
  margin: 2.5rem auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
}

.pay-checkout-card {
  overflow: hidden;
  background: var(--pay-surface);
  border: 1px solid var(--pay-line);
  border-top: 4px solid var(--pay-accent);
  box-shadow: 0 14px 38px rgba(8, 47, 66, .1);
}

.p3d-card-sm {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 2rem 2.75rem;
}

#p3d-pay-summary { padding-top: 1.25rem; padding-bottom: 1.25rem; }
#p3d-pay-mount { padding-top: 1.5rem; }
#p3d-pay-summary + #p3d-pay-mount { border-top: 1px solid #e2e8e9; }

/* ── Skeleton shimmer (A-webapp §2.4) ─────────────────────────────────── */
.p3d-skeleton {
  border-radius: 4px;
  background: linear-gradient(90deg, #e7e9ec 25%, #f4f5f7 50%, #e7e9ec 75%);
  background-size: 200% 100%;
  animation: p3d-shimmer 1.4s ease-in-out infinite;
}
.p3d-skeleton--headline { height: 1.6rem; width: 60%; margin-bottom: .75rem; }
.p3d-skeleton--subline  { height: 1rem;   width: 40%; }
.p3d-skeleton--field    { height: 2.75rem; width: 100%; margin-bottom: .75rem; }
@keyframes p3d-shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  .p3d-skeleton { animation: none; }
}

/* ── Notification (errors.js only) ────────────────────────────────────── */
#p3d-notification[hidden] { display: none; }
.pay-error-box {
  background: #fdf1f1;
  border: 1px solid #e5b9b9;
  border-left: 4px solid var(--pay-bad);
  border-radius: var(--p3d-radius-sm);
  padding: 1rem 1.25rem;
}
.pay-error-box strong { display: block; margin-bottom: .25rem; }
.pay-error-box p { margin: 0; color: var(--pay-ink-muted); }

/* ── CTA — anchors only, never <button> (A-webapp §2.3) ───────────────── */
.pay-back-nav {
  width: 100%;
  max-width: none;
  padding: 0 2.75rem 2rem;
  margin-inline: auto;
}
.p3d-btn {
  display: block;
  text-align: center;
  padding: .85rem 1rem;
  border-radius: var(--p3d-radius-sm);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--pay-line);
  color: var(--pay-ink);
  background: var(--pay-surface);
}
.p3d-btn-accent { background: var(--pay-accent); border-color: var(--pay-accent); color: #fff; }
.p3d-btn-full { width: 100%; }
.p3d-btn--loading { opacity: .55; pointer-events: none; }
.p3d-btn:focus-visible { outline: 3px solid #4c7dd0; outline-offset: 2px; }
#p3d-pay-cta[hidden] { display: none; }
#p3d-pay-cta:not([hidden]) { margin-top: 1rem; }

.pay-platform-footer {
  min-height: 5.25rem;
  padding: 1rem 2.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: #f8faf9;
  border-top: 1px solid #dce5e4;
}
.pay-powered-by { display: flex; flex-direction: column; align-items: flex-start; gap: .4rem; }
.pay-powered-by span {
  color: var(--pay-ink-muted);
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.pay-powered-by img { display: block; width: 7.875rem; height: auto; }
.pay-footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem 1rem; }
.pay-footer-links a { color: var(--pay-ink-muted); font-size: .8rem; text-decoration: none; }
.pay-footer-links a:hover { color: var(--pay-ink); text-decoration: underline; }
.pay-footer-links a:focus-visible { outline: 3px solid #4c7dd0; outline-offset: 3px; }

@media (max-width: 600px) {
  .pay-shell { margin: .75rem auto; padding-inline: .5rem; }
  .p3d-card-sm { padding: 1.25rem; }
  .pay-back-nav { padding: 0 1.25rem 1.25rem; }
  #p3d-pay-cta:not([hidden]) { margin-top: .875rem; }
  .pay-platform-footer { padding: 1rem 1.25rem; }
}

@media (max-width: 430px) {
  .pay-platform-footer { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .pay-footer-links { justify-content: flex-start; }
}

/* ── Modal (layout.php) ───────────────────────────────────────────────── */
#p3d-modal {
  border: 1px solid var(--pay-line);
  border-radius: var(--p3d-radius-sm);
  padding: 0;
  max-width: 22rem;
}
#p3d-modal::backdrop { background: rgba(20, 22, 25, .5); }
.p3d-modal-header { padding: 1rem 1.25rem 0; }
.p3d-modal-header h2 { margin: 0; font-size: 1.05rem; }
.p3d-modal-body { padding: .5rem 1.25rem 1.25rem; color: var(--pay-ink-muted); }