/* AceBase — BitTopup-inspired site theme */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

body {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

:root,
[data-md-color-scheme="slate"] {
  /* BitTopup tokens */
  --bt-bg: #141416;
  --bt-panel: #1c1c1f;
  --bt-panel-2: #232327;
  --bt-line: #2f2f35;
  --bt-red: #ff4d5a;
  --bt-red-hover: #ff6370;
  --bt-green: #22c55e;
  --bt-purple: #7c3aed;
  --bt-purple-deep: #4c1d95;
  --bt-purple-mid: #6d28d9;
  --bt-muted: #9ca3af;
  --bt-text: #e5e7eb;
  --bt-white: #ffffff;

  /* Material overrides */
  --md-primary-fg-color: #7c3aed;
  --md-primary-fg-color--light: #a78bfa;
  --md-primary-fg-color--dark: #5b21b6;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #ffffff;
  --md-accent-fg-color: #ff4d5a;
  --md-accent-fg-color--transparent: rgba(255, 77, 90, 0.12);
  --md-accent-bg-color: #ffffff;
  --md-default-fg-color: #e5e7eb;
  --md-default-fg-color--light: #d1d5db;
  --md-default-fg-color--lighter: #9ca3af;
  --md-default-fg-color--lightest: #6b7280;
  --md-default-bg-color: #141416;
  --md-default-bg-color--light: #1c1c1f;
  --md-default-bg-color--lighter: #232327;
  --md-default-bg-color--lightest: #2f2f35;
  --md-code-bg-color: #1c1c1f;
  --md-code-fg-color: #e5e7eb;
  --md-typeset-a-color: #a78bfa;
  --md-typeset-table-color: rgba(255, 255, 255, 0.06);
  --md-footer-bg-color: #111114;
  --md-footer-bg-color--dark: #0a0a0b;

  /* Legacy aliases used below */
  --mg-ink: #f3f4f6;
  --mg-ink-muted: #9ca3af;
  --mg-nav-active-bg: rgba(124, 58, 237, 0.22);
  --mg-nav-section: #c4b5fd;
  --mg-card-border: rgba(255, 255, 255, 0.1);
}

.md-header {
  background: linear-gradient(90deg, #4c1d95 0%, #6d28d9 48%, #7c3aed 100%) !important;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.md-tabs {
  background: #1c1c1f !important;
}

.md-tabs__link--active,
.md-tabs__link:hover {
  color: #c4b5fd !important;
}

.md-nav--primary .md-nav__title {
  color: var(--mg-ink);
  font-weight: 800;
  background: var(--bt-panel);
}

.md-nav--primary .md-nav__link {
  color: var(--mg-ink-muted);
  font-weight: 500;
}

.md-nav--primary .md-nav__link:hover {
  color: var(--mg-ink);
}

.md-nav--primary .md-nav__item--active > .md-nav__link:not(.md-nav__link--active) {
  color: var(--mg-ink-muted) !important;
  font-weight: 500 !important;
  background: transparent !important;
}

.md-nav--primary .md-nav__item--section > .md-nav__link,
.md-nav--primary .md-nav__item--section.md-nav__item--active > .md-nav__link {
  color: var(--mg-nav-section) !important;
  font-weight: 800 !important;
  font-size: 0.78rem !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.65rem;
  background: transparent !important;
}

.md-nav--primary .md-nav__link--active {
  color: #c4b5fd !important;
  font-weight: 700 !important;
  background-color: var(--mg-nav-active-bg) !important;
  border-radius: 0.35rem;
}

.md-nav--secondary .md-nav__title {
  color: var(--mg-ink);
  font-weight: 800;
}

.md-nav--secondary .md-nav__link {
  color: var(--mg-ink-muted);
  border-left: 2px solid transparent;
  padding-left: 0.65rem;
}

.md-nav--secondary .md-nav__link--active,
.md-nav--secondary .md-nav__link:hover {
  color: #c4b5fd;
  font-weight: 700;
  border-left-color: var(--bt-purple);
}

.md-typeset h1 {
  color: var(--mg-ink);
  font-weight: 800;
  letter-spacing: -0.02em;
  border-bottom: 2px solid rgba(124, 58, 237, 0.45);
  padding-bottom: 0.35rem;
}

.md-typeset h2 {
  color: var(--mg-ink);
  font-weight: 750;
  margin-top: 1.6rem;
}

.md-typeset h3 {
  color: #ddd6fe;
  font-weight: 700;
}

.md-typeset a {
  color: #a78bfa;
}

.md-typeset a:hover {
  color: #c4b5fd;
}

.md-typeset .ab-meta {
  margin: 0 0 1rem;
  color: var(--mg-ink-muted);
  font-size: 0.85rem;
}

.md-typeset .ab-tag {
  display: inline-block;
  margin: 0 0.25rem 0.25rem 0;
  padding: 0.12rem 0.45rem;
  border-radius: 0.25rem;
  background: rgba(124, 58, 237, 0.22);
  color: #c4b5fd;
  font-size: 0.72rem;
  font-weight: 700;
}

.md-typeset .ab-tag--warn {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
}

.md-typeset .ab-tag--hot {
  background: rgba(255, 77, 90, 0.18);
  color: #ff8a94;
}

.md-typeset .ab-tag--risk-low {
  background: rgba(34, 197, 94, 0.18);
  color: #4ade80;
}

.md-typeset .ab-tag--risk-mid {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
}

.md-typeset .ab-tag--risk-high {
  background: rgba(255, 77, 90, 0.18);
  color: #ff8a94;
}

.md-typeset .ab-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 1.4rem;
}

.md-typeset .ab-card {
  display: block;
  padding: 0.9rem 1rem;
  border: 1px solid var(--mg-card-border);
  border-radius: 0.55rem;
  background: var(--bt-panel);
  color: inherit;
  text-decoration: none !important;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, transform 0.12s ease;
}

.md-typeset .ab-card:hover {
  border-color: rgba(124, 58, 237, 0.55);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transform: translateY(-1px);
}

.md-typeset .ab-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--mg-ink);
}

.md-typeset .ab-card span {
  color: var(--mg-ink-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.md-typeset table {
  font-size: 0.88rem;
}

.md-typeset table:not([class]) th {
  background: var(--bt-panel-2);
  color: #f3f4f6;
  border-color: var(--bt-line);
}

.md-typeset table:not([class]) td {
  border-color: var(--bt-line);
  background: transparent;
}

.md-typeset .admonition,
.md-typeset details {
  border-color: var(--bt-line) !important;
  background: var(--bt-panel) !important;
}

.md-typeset .admonition-title,
.md-typeset summary {
  background: rgba(124, 58, 237, 0.16) !important;
}

/* Crisp close button */
.ab-crisp-close {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 10000050;
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--bt-panel-2);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

.ab-crisp-close.is-visible {
  display: flex;
}

/* OffGamers-style product page — retinted to BitTopup dark */
.md-typeset .og-product {
  --og-accent: #7c3aed;
  --og-accent-dark: #a78bfa;
  --og-ink: #f3f4f6;
  --og-muted: #9ca3af;
  --og-border: #2f2f35;
  --og-bg-soft: #1c1c1f;
  --og-radius: 10px;
  font-size: 0.92rem;
  color: var(--og-ink);
  max-width: 980px;
}

.md-typeset .og-product h1,
.md-typeset .og-product h2,
.md-typeset .og-product h3 {
  border: 0;
  padding: 0;
  letter-spacing: normal;
}

.md-typeset .og-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0 0 1rem;
  color: var(--og-muted);
  font-size: 0.82rem;
}

.md-typeset .og-breadcrumb a {
  color: var(--og-muted);
  text-decoration: none;
}

.md-typeset .og-breadcrumb a:hover {
  color: var(--og-accent);
}

.md-typeset .og-breadcrumb__sep {
  opacity: 0.55;
}

.md-typeset .og-region-banner {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  background: rgba(124, 58, 237, 0.16);
  border: 1px solid rgba(167, 139, 250, 0.35);
  color: #ddd6fe;
  font-size: 0.84rem;
  font-weight: 600;
}

.md-typeset .og-region-banner__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: var(--bt-purple);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
}

.md-typeset .og-product__layout {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.6rem;
}

@media (max-width: 860px) {
  .md-typeset .og-product__layout {
    grid-template-columns: 1fr;
  }
}

.md-typeset .og-product__media {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1rem;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--bt-panel);
}

.md-typeset .og-product__media img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: 8px;
}

.md-typeset .og-product__buy {
  padding: 0.2rem 0;
}

.md-typeset .og-product__eyebrow {
  margin: 0 0 0.2rem;
  color: var(--og-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.md-typeset .og-product__title {
  margin: 0 0 1rem;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--og-ink);
}

.md-typeset .og-field {
  margin-bottom: 0.95rem;
}

.md-typeset .og-field__label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--og-muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.md-typeset .og-select__control {
  width: 100%;
  max-width: 280px;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--og-border);
  border-radius: 8px;
  background: var(--bt-panel-2);
  color: var(--og-ink);
  font: inherit;
}

.md-typeset .og-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--og-border);
  background: var(--og-bg-soft);
  font-size: 0.84rem;
  font-weight: 600;
}

.md-typeset .og-chip--active {
  border-color: rgba(167, 139, 250, 0.55);
  background: rgba(124, 58, 237, 0.22);
  color: #c4b5fd;
}

.md-typeset .og-chip + .og-chip {
  margin-left: 0.45rem;
}

.md-typeset .og-input {
  width: 100%;
  max-width: 420px;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--og-border);
  border-radius: 8px;
  background: var(--bt-panel-2);
  color: var(--og-ink);
  font: inherit;
}

.md-typeset .og-field__hint {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
}

.md-typeset .og-field__hint a {
  color: var(--og-accent-dark);
}

.md-typeset .og-scam-banner {
  margin: 0.85rem 0;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 77, 90, 0.35);
  background: rgba(255, 77, 90, 0.12);
  color: #fecaca;
  font-size: 0.8rem;
  line-height: 1.5;
}

.md-typeset .og-scam-banner strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.86rem;
}

.md-typeset .og-scam-banner p {
  margin: 0.35rem 0;
}

.md-typeset .og-scam-banner ul {
  margin: 0.35rem 0 0.35rem 1.1rem;
  padding: 0;
}

.md-typeset .og-denom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 0.55rem;
}

.md-typeset .og-denom {
  margin: 0;
  padding: 0.55rem 0.45rem;
  border: 1px solid var(--og-border);
  border-radius: 8px;
  background: var(--bt-panel);
  color: var(--og-ink);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, color 0.12s ease;
}

.md-typeset .og-denom:hover:not(:disabled) {
  border-color: rgba(167, 139, 250, 0.55);
}

.md-typeset .og-denom.is-active {
  border-color: var(--bt-purple);
  box-shadow: inset 0 0 0 1px var(--bt-purple);
  color: #c4b5fd;
  background: rgba(124, 58, 237, 0.16);
}

.md-typeset .og-denom.is-sold-out {
  opacity: 0.45;
  cursor: not-allowed;
  text-decoration: line-through;
}

.md-typeset .og-checkout {
  margin-top: 1.1rem;
  padding: 1rem;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-bg-soft);
}

.md-typeset .og-qty {
  margin-bottom: 0.85rem;
}

.md-typeset .og-qty__control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--og-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bt-panel-2);
}

.md-typeset .og-qty__btn {
  width: 2.2rem;
  height: 2.2rem;
  border: 0;
  background: var(--bt-panel-2);
  color: var(--og-ink);
  font-size: 1.1rem;
  cursor: pointer;
}

.md-typeset .og-qty__btn:hover {
  background: #2a2a30;
}

.md-typeset .og-qty__input {
  width: 3rem;
  height: 2.2rem;
  border: 0;
  border-left: 1px solid var(--og-border);
  border-right: 1px solid var(--og-border);
  background: #111114;
  color: var(--og-ink);
  text-align: center;
  font: inherit;
}

.md-typeset .og-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.md-typeset .og-total__label {
  color: var(--og-muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
}

.md-typeset .og-total__value {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
}

.md-typeset .og-buy-btn {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 8px;
  background: var(--bt-red);
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(255, 77, 90, 0.28);
}

.md-typeset .og-buy-btn:hover {
  background: var(--bt-red-hover);
  filter: none;
}

.md-typeset .og-checkout__note {
  margin: 0.75rem 0 0;
  color: var(--og-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.md-typeset .og-overview {
  margin: 0 0 1.4rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--bt-purple);
  border-radius: 0 8px 8px 0;
  background: rgba(124, 58, 237, 0.14);
}

.md-typeset .og-overview__title {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 800;
}

.md-typeset .og-overview p {
  margin: 0;
  color: #ddd6fe;
  font-size: 0.86rem;
}

.md-typeset .og-content h2 {
  margin-top: 1.5rem;
  font-size: 1.15rem;
}

.md-typeset .og-content h3 {
  margin-top: 1.2rem;
  font-size: 1rem;
  color: var(--og-ink);
}

.md-typeset .og-content p,
.md-typeset .og-content li {
  color: #d1d5db;
  line-height: 1.65;
}

/* Site-wide currency switcher (CNY / USD / TWD) */
.ab-currency-switcher {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-right: 0.35rem;
  padding: 0.15rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.ab-currency-switcher__btn {
  min-width: 2rem;
  padding: 0.2rem 0.45rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.ab-currency-switcher__btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.ab-currency-switcher__btn.is-active {
  color: #5b21b6;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

@media (max-width: 76.1875em) {
  .ab-currency-switcher {
    margin-right: 0.15rem;
  }

  .ab-currency-switcher__btn {
    min-width: 1.75rem;
    padding: 0.18rem 0.35rem;
    font-size: 0.68rem;
  }
}

/* Keep custom currency switcher beside Material language selector */
.md-header__inner > .ab-currency-switcher {
  flex-shrink: 0;
}

/*
 * Keep left site nav identical on every page.
 * Material nests the page TOC under the active nav item; that makes
 * Pricing vs FAQ look like different menus. TOC stays in the right sidebar.
 */
.md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item--active > label.md-nav__link {
  display: none;
}

.md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item--active > .md-nav--secondary {
  display: none;
}