:root {
  color-scheme: dark;
  --bg: #0f0b16;
  --card: #1b1529;
  --card-elevated: #241833;
  --card-border: rgba(196, 181, 253, 0.18);
  --text: #ece8f4;
  --text-soft: #d6cce6;
  --muted: #a89bb8;
  --radius: 16px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
}

a { color: inherit; }

.buy-page {
  min-height: 100vh;
  background:
    radial-gradient(880px 380px at 8% -8%, rgba(168, 85, 247, 0.22), transparent 62%),
    var(--bg);
}

.buy-page__scroll {
  padding: 1.25rem 1rem calc(2rem + env(safe-area-inset-bottom));
}

.buy-page__inner {
  width: min(980px, 100%);
  margin: 0 auto;
}

.buy-page__back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-soft);
  font-weight: 600;
  text-decoration: none;
}

.buy-page__hero-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.buy-page__hero h1 {
  align-self: flex-start;
  margin: 0.15rem 0 0;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  line-height: 1.15;
}

.buy-stock {
  margin: 0;
  min-width: 168px;
  padding: 12px 22px;
  border-radius: 16px;
  border: 1px solid rgba(232, 121, 249, 0.5);
  background: rgba(232, 121, 249, 0.12);
  text-align: center;
}

.buy-stock span {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.buy-stock strong {
  display: block;
  margin-top: 2px;
  font-size: 1.45rem;
}

.buy-stock.is-empty strong { color: #fecdd3; }

.buy-page__hero > p { margin-top: 0.65rem; }

.buy-page__hero p,
.buy-about > p,
.buy-pay > p,
.buy-done p {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.6;
}

.buy-about,
.buy-card {
  margin-top: 1rem;
  padding: 1.15rem 1.1rem 1.2rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--card-elevated) 0%, var(--card) 100%);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.buy-about h2,
.buy-card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
}

.buy-about h3 {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
}

.buy-about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 1rem 0;
}

.buy-about ul {
  margin: 0;
  padding-left: 1.15rem;
  line-height: 1.55;
}

.buy-about li + li { margin-top: 0.28rem; }

.buy-price-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.buy-price-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.2rem 0.75rem;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.22);
}

.buy-price-list li strong { text-align: right; }

.buy-price-list li em {
  grid-column: 1 / -1;
  font-style: normal;
  font-weight: 700;
  color: #f0abfc;
}

.buy-price-list li.is-selected {
  border-color: rgba(232, 121, 249, 0.7);
  background: rgba(232, 121, 249, 0.12);
}

.buy-price-list li.is-soldout { opacity: 0.55; }

.buy-about__note,
.buy-hint,
.buy-selected {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.buy-about__warn {
  margin: 0.75rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(251, 191, 36, 0.45);
  background: rgba(251, 191, 36, 0.1);
  color: #fde68a;
  line-height: 1.5;
}

.buy-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.buy-form .buy-card { margin-top: 0; }

.buy-card label {
  display: block;
  margin: 0.9rem 0 0.35rem;
  font-weight: 600;
}

.buy-card input,
.buy-card select {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #120e1a;
  color: var(--text);
  font: inherit;
}

.buy-card input[type="file"] { padding: 0.55rem 0.7rem; }

.buy-qris {
  display: block;
  width: min(100%, 260px);
  margin: 0.85rem auto 0;
  border-radius: 12px;
  background: #fff;
}

.buy-agree {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.2);
  font-weight: 500;
  line-height: 1.45;
  cursor: pointer;
}

.buy-agree input {
  width: 1.25rem;
  height: 1.25rem;
  min-height: 1.25rem;
  margin-top: 0.15rem;
  accent-color: #c026d3;
}

.buy-error {
  margin: 0.8rem 0 0;
  color: #fecdd3;
}

.buy-submit,
.buy-done__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  margin-top: 0.9rem;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #fde047, #facc15 40%, #e056fd 78%, #8b5cf6);
  color: #1a1028;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.buy-submit:disabled { opacity: 0.65; cursor: default; }

.buy-done h2 { color: #bbf7d0; }

.buy-confirm-backdrop {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background: rgba(8, 6, 14, 0.78);
  backdrop-filter: blur(6px);
}

.buy-confirm {
  width: min(440px, 100%);
  max-height: min(92dvh, 640px);
  overflow: auto;
  padding: 1.25rem 1.15rem 1.1rem;
  border-radius: 20px;
  border: 1px solid rgba(196, 181, 253, 0.32);
  background: #1b1529;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.buy-confirm__kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e9d5ff;
}

.buy-confirm h2 {
  margin: 0.35rem 0 0.45rem;
  font-size: clamp(1.2rem, 4vw, 1.45rem);
}

.buy-confirm > p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.5;
}

.buy-confirm__phone {
  margin: 0.9rem 0 0;
  padding: 0.9rem 0.75rem;
  border-radius: 14px;
  border: 1px solid rgba(232, 121, 249, 0.45);
  background: #0c0812;
  text-align: center;
  font-size: clamp(1.25rem, 5vw, 1.65rem);
  font-weight: 800;
  word-break: break-word;
}

.buy-confirm__meta {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.buy-confirm__actions {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.65rem;
  margin-top: 1.05rem;
}

.buy-confirm__cancel,
.buy-confirm__send {
  width: 100%;
  min-height: 48px;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
}

.buy-confirm__cancel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
  color: var(--text);
}

.buy-confirm__send {
  border: 0;
  background: linear-gradient(135deg, #fde047, #facc15 40%, #e056fd 78%, #8b5cf6);
  color: #1a1028;
  cursor: pointer;
}

.buy-confirm__cancel:disabled,
.buy-confirm__send:disabled { opacity: 0.65; }

@media (min-width: 640px) {
  .buy-confirm__actions {
    flex-direction: row;
    justify-content: flex-end;
  }

  .buy-confirm__cancel,
  .buy-confirm__send {
    width: auto;
    min-width: 128px;
  }
}

@media (min-width: 760px) {
  .buy-page__hero-top {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }

  .buy-page__hero h1 {
    grid-column: 1;
    justify-self: start;
  }

  .buy-stock {
    grid-column: 2;
    justify-self: center;
  }

  .buy-about__grid,
  .buy-price-list { grid-template-columns: 1fr 1fr; }

  .buy-form {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    align-items: start;
  }
}