/* =====================================================
   BlackNode Connectors Gallery
   ===================================================== */

.co-body {
  font-family: var(--bn-font-body);
  color: var(--bn-ink-primary);
  min-height: 100vh;
}

/* ============ TOP BAR ============ */
.co-topbar {
  position: sticky;
  top: 0;
  z-index: var(--bn-z-sticky);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--bn-s-6);
  padding: 14px 32px;
  background: rgba(7, 8, 10, 0.7);
  backdrop-filter: var(--bn-glass-blur);
  -webkit-backdrop-filter: var(--bn-glass-blur);
  border-bottom: 1px solid var(--bn-border-soft);
}
.co-topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--bn-font-display);
  font-weight: 600;
  font-size: var(--bn-text-base);
  text-decoration: none;
  color: var(--bn-ink-primary);
}
.co-topbar__nav {
  display: flex;
  justify-self: center;
  gap: var(--bn-s-5);
}
.co-topbar__nav a {
  color: var(--bn-ink-secondary);
  text-decoration: none;
  font-size: var(--bn-text-sm);
  font-weight: 500;
}
.co-topbar__nav a:hover { color: var(--bn-ink-primary); }
.co-topbar__nav a.is-active { color: var(--bn-accent-strong); }  /* AA on light page */

/* ============ HERO ============ */
.co-hero {
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 24px 32px;
  text-align: center;
}
.co-hero__title {
  font-family: var(--bn-font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: var(--bn-tracking-display);
  line-height: 1.05;
  margin: 0 0 14px;
}
.co-hero__sub {
  color: var(--bn-ink-secondary);
  font-size: var(--bn-text-lg);
  line-height: var(--bn-lh-relaxed);
  margin: 0 auto 32px;
  max-width: 620px;
}

/* Tabs */
.co-tabs {
  display: inline-flex;
  gap: 4px;
  background: var(--bn-glass-1);
  border: 1px solid var(--bn-border);
  padding: 4px;
  border-radius: var(--bn-r-md);
  box-shadow: var(--bn-shadow-inset);
}
.co-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: var(--bn-ink-secondary);
  font-family: var(--bn-font-body);
  font-size: var(--bn-text-sm);
  font-weight: 500;
  border-radius: var(--bn-r-sm);
  cursor: pointer;
  transition: all var(--bn-dur) var(--bn-ease);
}
.co-tab [data-lucide] { width: 16px; height: 16px; }
.co-tab:hover { color: var(--bn-ink-primary); background: var(--bn-glass-2); }
.co-tab.is-active {
  background: var(--bn-bg-surface-2);
  color: var(--bn-ink-primary);
  box-shadow: var(--bn-shadow-card);
}
.co-tab.is-active [data-lucide] { color: var(--bn-accent); }
.co-tab__count {
  font-size: 11px;
  padding: 1px 7px;
  background: var(--bn-glass-2);
  border-radius: var(--bn-r-full);
  color: var(--bn-ink-tertiary);
  font-weight: 600;
}
.co-tab.is-active .co-tab__count {
  background: var(--bn-accent-soft);
  color: var(--bn-accent-bright);  /* AA contrast on tinted dark bg */
}

/* ============ SECTIONS ============ */
.co-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px 80px;
}
.co-section__title {
  font-family: var(--bn-font-display);
  font-weight: 500;
  font-size: var(--bn-text-lg);
  letter-spacing: -0.01em;
  margin: 40px 0 16px;
  color: var(--bn-ink-secondary);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--bn-ink-tertiary);
}
.co-section__title:first-child { margin-top: 24px; }

/* ============ GRID ============ */
.co-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

/* ============ CARD ============ */
.co-card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bn-bg-surface-1);
  border: 1px solid var(--bn-border-soft);
  border-radius: var(--bn-r-lg);
  box-shadow: var(--bn-shadow-card);
  transition: all var(--bn-dur) var(--bn-ease);
}
.co-card:hover {
  background: var(--bn-bg-surface-2);
  border-color: var(--bn-border);
  transform: translateY(-2px);
  box-shadow: var(--bn-shadow-card-hover);
}

.co-card__logo {
  width: 44px;
  height: 44px;
  border-radius: var(--bn-r-md);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: var(--bn-shadow-sm);
}
.co-card__logo iconify-icon {
  display: grid;
  place-items: center;
}

.co-card__body {
  min-width: 0;
}
.co-card__name {
  font-weight: 600;
  font-size: var(--bn-text-sm);
  color: var(--bn-ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}
.co-card__desc {
  font-size: var(--bn-text-xs);
  color: var(--bn-ink-tertiary);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.co-card__tag {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  background: var(--bn-glass-2);
  color: var(--bn-ink-secondary);
  border-radius: 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.co-card__tag--accent {
  background: var(--bn-accent-soft);
  color: var(--bn-accent-bright);  /* AA contrast on tinted dark bg */
}

.co-card__cta {
  padding: 7px 12px;
  font-size: var(--bn-text-xs);
  white-space: nowrap;
}
.co-card__cta [data-lucide] { width: 14px; height: 14px; }
.co-card__cta--soon {
  /* a11y: do NOT lower opacity below 1 — text contrast must remain AA.
     Use a "Coming soon" tag visual instead of dimming text. */
  cursor: default;
}

/* ============ EMPTY STATE ============ */
.co-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 32px;
  text-align: center;
}
.co-empty__icon {
  width: 64px; height: 64px;
  border-radius: var(--bn-r-full);
  background: var(--bn-glass-2);
  display: grid;
  place-items: center;
  color: var(--bn-ink-tertiary);
  margin-bottom: 24px;
}
.co-empty__icon [data-lucide] { width: 28px; height: 28px; }
.co-empty h3 {
  font-family: var(--bn-font-display);
  font-weight: 600;
  font-size: var(--bn-text-xl);
  margin: 0 0 8px;
}
.co-empty p {
  color: var(--bn-ink-secondary);
  font-size: var(--bn-text-sm);
  margin: 0;
}

@media (max-width: 720px) {
  .co-topbar__nav { display: none; }
}