/* UniFiShield knowledge base — index shell */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.us-kb-page {
  padding: 48px 0 72px;
}

.us-kb-container {
  max-width: 1100px;
}

.us-kb-page-header {
  padding-top: 50px;
  margin-bottom: 36px;
}

.us-kb-page-header h1 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 12px;
}

.us-kb-lead {
  max-width: 720px;
  color: var(--fg-2, #666);
  font-size: 17px;
  line-height: 1.6;
}

.us-kb-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}

.us-kb-sidebar {
  position: sticky;
  top: 96px;
  border: 1px solid var(--line, rgba(0,0,0,.08));
  border-radius: 16px;
  padding: 16px;
  background: var(--bg-1, #fff);
}

.us-kb-sidebar-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-3, #888);
  margin: 0 0 12px;
}

.us-kb-accordion-trigger {
  display: none !important;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.us-kb-accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--fg-3, #888);
  transition: transform 0.2s ease;
}

.us-kb-accordion-trigger.is-open .us-kb-accordion-icon {
  transform: rotate(180deg);
}

.us-kb-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  width: 100%;
}

.us-kb-search-field {
  flex: 1 1 240px;
  min-width: 0;
  position: relative;
  display: flex;
  align-items: center;
}

.us-kb-search-field input[type="search"] {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line, rgba(0,0,0,.12));
  background: var(--bg-1, #fff);
  color: inherit;
  font: inherit;
}

.us-kb-search-clear {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.us-kb-search-clear-icon {
  width: 16px;
  height: 16px;
}

.us-kb-search-clear[hidden] {
  display: none !important;
}

.us-kb-category-list {
  list-style: none;
  display: grid;
  gap: 4px;
  padding: 0;
  margin: 0;
}

.us-kb-category-link {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.us-kb-category-link:hover,
.us-kb-category-link.active {
  background: rgba(124, 58, 237, 0.08);
}

.us-kb-category-count {
  font-size: 12px;
  color: var(--fg-3, #888);
}

.us-kb-status {
  min-height: 1.25rem;
  color: var(--fg-3, #888);
  font-size: 14px;
  margin-bottom: 12px;
}

.us-kb-results {
  list-style: none;
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
}

.us-kb-result-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--line, rgba(0,0,0,.08));
  border-radius: 16px;
  padding: 20px 22px;
  background: var(--bg-1, #fff);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.us-kb-result-card:hover {
  border-color: var(--purple, #7c3aed);
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.1);
  transform: translateY(-1px);
}

.us-kb-result-link {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  color: var(--fg, #111);
  text-decoration: none;
}

.us-kb-result-link:focus-visible {
  outline: 2px solid var(--purple, #7c3aed);
  outline-offset: 2px;
  border-radius: 12px;
}

.us-kb-result-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(124, 58, 237, 0.08);
  color: var(--purple, #7c3aed);
}

.us-kb-result-body {
  flex: 1;
  min-width: 0;
}

.us-kb-result-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--fg, #111);
  letter-spacing: -0.01em;
}

.us-kb-result-card:hover h3,
.us-kb-result-link:hover h3 {
  color: var(--purple, #7c3aed);
}

.us-kb-result-link p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-2, #666);
  margin: 0;
}

.us-kb-result-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 60px;
}

.us-kb-result-card .us-kb-result-categories:empty {
  display: none;
}

.us-kb-result-chevron {
  flex-shrink: 0;
  align-self: center;
  width: 20px;
  height: 20px;
  color: var(--fg-4, #aaa);
  transition: color 0.2s, transform 0.2s;
}

.us-kb-result-card:hover .us-kb-result-chevron,
.us-kb-result-link:hover .us-kb-result-chevron {
  color: var(--purple, #7c3aed);
  transform: translateX(2px);
}

html.dark .us-kb-result-card {
  background: var(--bg-1, #141419);
  border-color: var(--line, rgba(255,255,255,.08));
}

html.dark .us-kb-result-card h3 {
  color: var(--fg, #f5f5f7);
}

html.dark .us-kb-result-card p {
  color: var(--fg-2, #c8c8ce);
}

.us-kb-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line, rgba(0, 0, 0, 0.12));
  background: var(--bg-2, #f4f4f5);
  color: var(--fg, #111);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.us-kb-chip:hover,
.us-kb-chip:focus-visible {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.35);
  color: var(--purple, #7c3aed);
  text-decoration: none;
}

.us-kb-chip:focus-visible {
  outline: 2px solid var(--purple, #7c3aed);
  outline-offset: 2px;
}

html.dark .us-kb-chip {
  background: var(--bg-2, #1c1c22);
  border-color: var(--line, rgba(255, 255, 255, 0.12));
  color: var(--fg, #f5f5f7);
}

html.dark .us-kb-chip:hover,
html.dark .us-kb-chip:focus-visible {
  background: rgba(124, 58, 237, 0.18);
  border-color: rgba(124, 58, 237, 0.45);
  color: #c4b5fd;
}

@media (max-width: 900px) {
  .us-kb-layout {
    grid-template-columns: 1fr;
  }

  .us-kb-sidebar {
    position: static;
    padding: 0;
    overflow: hidden;
  }

  .us-kb-sidebar-title {
    display: none;
  }

  .us-kb-accordion-trigger {
    display: flex !important;
  }

  .us-kb-search-field {
    display: block;
  }

  .us-kb-search-field input[type="search"] {
    display: block;
    padding-right: 40px;
  }

  .us-kb-search-clear {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--fg-3, #888);
    justify-content: center;
  }

  .us-kb-search-clear:hover,
  .us-kb-search-clear:focus-visible {
    background: rgba(0, 0, 0, 0.06);
    color: var(--fg, #111);
  }

  .us-kb-search-clear-label {
    display: none;
  }

  .us-kb-result-categories {
    padding-left: 0;
  }

  .us-kb-accordion-panel {
    display: none;
    padding: 0 16px 16px;
  }

  .us-kb-accordion-trigger[aria-expanded="true"] + .us-kb-accordion-panel {
    display: block;
  }
}

@media (min-width: 901px) {
  .us-kb-accordion-trigger {
    display: none !important;
  }

  .us-kb-accordion-panel {
    display: block;
    padding: 0;
  }

  .us-kb-sidebar-title {
    display: block;
  }

  .us-kb-search-field {
    flex: 1 1 auto;
    gap: 10px;
  }

  .us-kb-search-clear {
    position: static;
    flex-shrink: 0;
    transform: none;
  }

  .us-kb-search-clear-icon {
    display: none;
  }

  .us-kb-search > .btn-solid {
    flex-shrink: 0;
  }
}