/* ==========================================================================
   Unicorn Hub – categories on the left, items on the right (Databricks-style)
   ========================================================================== */

.unicorn-hub {
  display: flex;
  min-height: calc(100vh - 80px);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.unicorn-hub__sidebar {
  width: 220px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #1e2228 0%, #181b20 100%);
  border-right: 1px solid rgba(42, 46, 51, 0.9);
  padding: 1.25rem 0;
}

.unicorn-hub__sidebar-title {
  margin: 0 1rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
}

.unicorn-hub__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.unicorn-hub__nav-link {
  display: block;
  padding: 0.5rem 1rem;
  margin: 0 0.5rem;
  border-radius: 6px;
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.15s, background 0.15s;
}

.unicorn-hub__nav-link:hover {
  color: #f0f1f3;
  background: rgba(255, 255, 255, 0.06);
}

.unicorn-hub__nav-link--active {
  color: #5aa3ff;
  background: rgba(90, 163, 255, 0.12);
}

.unicorn-hub__nav-link:focus-visible {
  outline: 2px solid #5aa3ff;
  outline-offset: 2px;
}

.unicorn-hub__main {
  flex: 1;
  padding: 1.5rem 2rem;
  background: #15181b;
  overflow: auto;
}

.unicorn-hub__items {
  max-width: 640px;
}

.unicorn-hub__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.unicorn-hub__list li {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid rgba(42, 46, 51, 0.8);
}

.unicorn-hub__list li:last-child {
  border-bottom: none;
}

.unicorn-hub__item-link {
  display: block;
  padding: 0.75rem 0;
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.15s, padding-left 0.15s;
}

.unicorn-hub__item-link:hover {
  color: #5aa3ff;
  padding-left: 0.5rem;
}

.unicorn-hub__item-link:focus-visible {
  outline: 2px solid #5aa3ff;
  outline-offset: 2px;
}

.unicorn-hub__empty {
  color: #6b7280;
  font-size: 0.9375rem;
  margin: 0;
}

/* Hub page uses dark layout */
body.unicorn-hub-page {
  background: #15181b;
}

.unicorn-hub__page-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: #eef0f2;
}

.unicorn-hub__lead {
  margin: 0;
  font-size: 1rem;
  color: #9aa0a6;
}