:root {
  color-scheme: dark;
  --bg: #090909;
  --panel: #131313;
  --panel-soft: #171717;
  --line: rgba(246, 211, 101, 0.2);
  --gold: #f6d365;
  --gold-strong: #ffbf3c;
  --text: #f5f2e8;
  --muted: #c4bead;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Poppins', sans-serif;
  background: radial-gradient(circle at top, rgba(246, 211, 101, 0.12), transparent 28%), var(--bg);
  color: var(--text);
}
.payment-back-btn {
  position: fixed;
  left: 16px;
  z-index: 60;
  min-width: 90px;
  padding: 8px 12px;
  border: 1px solid rgba(246, 211, 101, 0.28);
  border-radius: 10px;
  background: rgba(18, 18, 18, 0.74);
  color: #f3ead1;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(6px);
}
.payment-back-btn-top {
  top: 16px;
}
.payment-back-btn-bottom {
  top: auto;
  bottom: 16px;
}
.payment-back-btn:hover {
  background: rgba(30, 30, 30, 0.9);
  border-color: rgba(246, 211, 101, 0.45);
}
.payment-shell {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 40px 0 60px;
  display: grid;
  gap: 18px;
}
.payment-card {
  background: linear-gradient(180deg, rgba(28, 28, 28, 0.98), rgba(14, 14, 14, 0.98));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 18px 44px rgba(0,0,0,0.34);
}
.notice-card {
  background:
    radial-gradient(circle at 84% 18%, rgba(246, 211, 101, 0.12), transparent 22%),
    linear-gradient(180deg, rgba(34, 26, 10, 0.98), rgba(14, 14, 14, 0.98));
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
h1,h2,p { margin-top: 0; }
.lead, .hint, .label { color: var(--muted); }
.notice-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.notice-pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(246, 211, 101, 0.24);
  background: rgba(246, 211, 101, 0.08);
  color: var(--gold);
  font-weight: 700;
}
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 22px 0;
}
.info-card {
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-soft);
  border: 1px solid rgba(246, 211, 101, 0.16);
}
.info-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.02rem;
  color: var(--text);
}
.cta-row, .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  appearance: none;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.92rem 1.35rem;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-strong));
  color: #1a1405;
  box-shadow: 0 12px 28px rgba(255, 191, 60, 0.25);
}
.btn.ghost {
  border: 1px solid rgba(246, 211, 101, 0.34);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}
.btn.is-disabled,
.btn[aria-disabled='true'] {
  pointer-events: none;
  opacity: 0.55;
}
.bullet-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
}
.text-link {
  color: var(--gold);
  text-decoration: none;
}
@media (max-width: 720px) {
  .payment-shell { width: min(100% - 18px, 1120px); padding-top: 20px; }
  .payment-card { padding: 20px; border-radius: 20px; }
  .cta-row .btn, .link-row .text-link { width: 100%; text-align: center; }
}