/* Main-site navigation injected into the Sphinx documentation. */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* SmartUSBHub Docs is light-only; remove Furo's light/dark/auto control. */
.theme-toggle-container {
  display: none !important;
}

#site-nav {
  --nav-ink: #102a43;
  --nav-dim: #718096;
  --nav-teal: #2a6f97;
  --nav-teal-dark: #12355b;
  --nav-signal: #f5b700;
  --nav-border: #d9e2ec;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 9999;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: 'Open Sans', 'Noto Sans SC', 'PingFang SC', sans-serif;
}

#site-nav, #site-nav * { box-sizing: border-box; }

#site-nav .site-nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

#site-nav a { text-decoration: none; }

#site-nav .site-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--nav-ink);
  font-size: 18px;
  font-weight: 700;
}

#site-nav .site-nav-brand::before {
  content: '';
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--nav-signal);
  border: 3px solid var(--nav-teal-dark);
}

#site-nav .site-nav-links {
  display: flex;
  gap: 26px;
  margin-left: 8px;
}

#site-nav .site-nav-links a {
  color: var(--nav-ink);
  font-size: 15px;
  font-weight: 500;
}

#site-nav .site-nav-links a:hover,
#site-nav .site-nav-links a.active { color: var(--nav-teal-dark); }

#site-nav .site-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

#site-nav .site-nav-contact {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--nav-teal-dark);
  color: #fff;
  box-shadow: 0 10px 22px -14px rgba(11, 41, 71, 0.72);
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.18s, background 0.18s;
}

#site-nav .site-nav-contact:hover {
  background: #0b2947;
  color: #fff;
  transform: translateY(-1px);
}

#site-nav .site-nav-lang {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--nav-dim);
  font-size: 13px;
  font-weight: 600;
}

#site-nav .lang-btn {
  padding: 2px 4px;
  color: var(--nav-dim);
}

#site-nav .lang-btn.active,
#site-nav .lang-btn:hover { color: var(--nav-teal-dark); }

#docs-context-nav {
  box-sizing: border-box;
  width: 100%;
  border-bottom: 1px solid #e5ebf1;
  background: #f8fafc;
  font-family: 'Open Sans', 'Noto Sans SC', 'PingFang SC', sans-serif;
}

#docs-context-nav,
#docs-context-nav * {
  box-sizing: border-box;
}

#docs-context-nav .docs-context-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1200px;
  min-height: 44px;
  margin: 0 auto;
  padding: 8px 32px;
}

#docs-context-nav a {
  text-decoration: none;
}

#docs-context-nav .docs-back-link {
  flex: none;
  color: #12355b;
  font-size: 14px;
  font-weight: 700;
}

#docs-context-nav .docs-back-link:hover,
#docs-context-nav .docs-breadcrumbs a:hover {
  color: #2a6f97;
}

#docs-context-nav .docs-breadcrumbs {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 9px;
  color: #718096;
  font-size: 13px;
}

#docs-context-nav .docs-breadcrumbs a {
  color: #526d82;
}

#docs-context-nav .docs-breadcrumbs span[aria-current='page'] {
  overflow: hidden;
  color: #334e68;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 28px 0 36px;
}

.product-doc-card {
  overflow: hidden;
  border: 1px solid #d9e2ec;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 42px -30px rgba(16, 42, 67, 0.5);
}

.product-doc-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
  padding: 18px;
  background: linear-gradient(145deg, #f8fafc 0%, #edf2f7 100%);
}

.product-doc-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-doc-channel {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #12355b;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.product-doc-body {
  padding: 22px;
}

.product-doc-body h2 {
  margin: 0 0 7px;
  font-size: 20px;
}

.product-doc-code {
  margin: 0 0 14px;
  color: #526d82;
  font-size: 13px;
}

.product-doc-positioning {
  margin: 0 0 8px;
  color: #2a6f97;
  font-size: 14px;
  font-weight: 700;
}

.docs-step-card {
  border-top: 4px solid #2a6f97 !important;
}

.docs-home-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.docs-home-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -26px rgba(16, 42, 67, 0.62);
}

.docs-card-icon {
  display: block;
  width: 46px;
  height: 46px;
  margin: 2px 0 14px;
  object-fit: contain;
}

.product-doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.product-doc-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid #2a6f97;
  border-radius: 8px;
  color: #12355b;
  font-weight: 700;
  text-decoration: none;
}

.product-doc-action:hover {
  background: #edf7fb;
  color: #12355b;
}

.product-doc-action.primary {
  background: #12355b;
  color: #fff;
}

.product-doc-action.primary:hover {
  background: #0b2947;
  color: #fff;
}

.manual-pdf-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  margin: 4px 0 24px;
  padding: 9px 16px;
  border: 1px solid #2a6f97;
  border-radius: 8px;
  color: #12355b;
  font-weight: 700;
  text-decoration: none;
}

.manual-pdf-download::before {
  content: '↓';
  font-size: 18px;
  line-height: 1;
}

.manual-pdf-download:hover {
  background: #edf7fb;
  color: #12355b;
}

@media (max-width: 760px) {
  #site-nav .site-nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 20px;
    gap: 6px 16px;
  }

  #site-nav .site-nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 20px;
    margin-left: 0;
    padding-top: 6px;
    border-top: 1px solid var(--nav-border);
  }

  #site-nav .site-nav-contact { display: none; }
  #site-nav .site-nav-right { gap: 0; }

  #docs-context-nav .docs-context-inner {
    gap: 14px;
    padding: 8px 20px;
  }

  #docs-context-nav .docs-breadcrumbs {
    overflow: hidden;
  }

  .product-doc-grid {
    grid-template-columns: 1fr;
  }

  .product-doc-visual {
    height: 190px;
  }
}