.kb-lead {
  font-size: 0.95rem;
  color: #475569;
  margin: 0 0 20px;
}

.kb-index-content-panel {
  width: min(820px, 100%);
  justify-self: start;
}

.landing-kb-article h1,
.landing-content-panel > h1 {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.kb-category-title {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.15;
  margin-bottom: 10px;
}

.kb-cat-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.kb-cat-card {
  display: inline-flex;
  align-items: center;
  padding: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,255,255,0.92) 0%, rgba(241,246,255,0.88) 100%);
  border: 1px solid rgba(37, 99, 235, 0.16);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08), 0 1px 2px rgba(15, 23, 36, 0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.kb-cat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.15), 0 2px 6px rgba(15, 23, 36, 0.08);
  border-color: rgba(37, 99, 235, 0.35);
}

.kb-cat-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 8px 16px 8px 12px;
}

.kb-cat-link::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #60a5fa);
  flex-shrink: 0;
}

.landing-content-panel .kb-cat-link h2 {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  color: #1e40af;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.kb-cat-link h2:hover {
  text-decoration: none;
}

.kb-cat-desc-excerpt {
  line-height: 1.6;
  max-height: calc(1.45em * 3);
  overflow: hidden;
}

.kb-cat-desc-excerpt p {
  margin: 0;
  color: #475569;
}

.kb-cat-read-more {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 6px 12px;
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
}

.kb-cat-read-more:hover {
  text-decoration: none;
  background: rgba(37, 99, 235, 0.14);
  border-color: rgba(37, 99, 235, 0.46);
}

.kb-article-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kb-article-item {
  padding: 6px 0 6px 20px;
  position: relative;
}

.kb-article-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2563eb;
  opacity: 0.55;
}

.kb-article-item a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.97rem;
}

.kb-article-item a:hover {
  text-decoration: underline;
}

/* Theme: nordic */
body[data-theme="nordic"] .kb-cat-card {
  background: linear-gradient(135deg, rgba(240,246,255,0.95) 0%, rgba(224,236,252,0.9) 100%);
  border-color: rgba(26, 95, 180, 0.2);
}

body[data-theme="nordic"] .kb-cat-link h2 {
  color: #1a4a8a;
}

body[data-theme="nordic"] .kb-cat-link::before {
  background: linear-gradient(135deg, #1a5fb4, #4a90d9);
}

body[data-theme="nordic"] .kb-article-item a {
  color: #1a5fb4;
}

body[data-theme="nordic"] .kb-lead {
  color: #3a5a7c;
}

body[data-theme="nordic"] .kb-cat-desc-excerpt p {
  color: #3a5a7c;
}

/* Theme: matrix */
body[data-theme="matrix"] .kb-cat-card {
  background: linear-gradient(135deg, rgba(6,20,14,0.9) 0%, rgba(8,28,18,0.85) 100%);
  border-color: rgba(24, 181, 108, 0.28);
  box-shadow: 0 2px 8px rgba(24, 181, 108, 0.1), 0 1px 2px rgba(0,0,0,0.3);
}

body[data-theme="matrix"] .kb-cat-card:hover {
  border-color: rgba(24, 181, 108, 0.55);
  box-shadow: 0 6px 20px rgba(24, 181, 108, 0.18), 0 2px 6px rgba(0,0,0,0.3);
}

body[data-theme="matrix"] .kb-cat-link::before {
  background: linear-gradient(135deg, #18b56c, #8ae7b7);
}

body[data-theme="matrix"] .kb-cat-link h2 {
  color: #8ae7b7;
}

body[data-theme="matrix"] .kb-article-item a {
  color: #8ae7b7;
}

body[data-theme="matrix"] .kb-article-item::before {
  background: #6ab391;
  opacity: 0.7;
}

body[data-theme="matrix"] .kb-lead {
  color: #6fa98b;
}

body[data-theme="matrix"] .kb-cat-desc-excerpt p {
  color: #6fa98b;
}

body[data-theme="matrix"] .kb-article-item {
  border-color: rgba(46, 102, 71, 0.3);
}

body[data-theme="matrix"] .kb-cat-read-more {
  border-color: rgba(24, 181, 108, 0.52);
  background: rgba(6, 40, 24, 0.78);
  color: #8be8b8;
}

/* Theme: matrix-blue */
body[data-theme="matrix"][data-matrix-variant="blue"] .kb-cat-card {
  background: linear-gradient(135deg, rgba(8,18,40,0.9) 0%, rgba(12,26,55,0.85) 100%);
  border-color: rgba(74, 143, 246, 0.3);
  box-shadow: 0 2px 8px rgba(74, 143, 246, 0.12), 0 1px 2px rgba(0,0,0,0.3);
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-cat-card:hover {
  border-color: rgba(74, 143, 246, 0.55);
  box-shadow: 0 6px 20px rgba(74, 143, 246, 0.2), 0 2px 6px rgba(0,0,0,0.3);
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-cat-link::before {
  background: linear-gradient(135deg, #4a8ff6, #99c5ff);
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-cat-link h2 {
  color: #99c5ff;
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-article-item a {
  color: #99c5ff;
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-article-item::before {
  background: #79aef7;
  opacity: 0.7;
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-lead {
  color: #6f93be;
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-cat-desc-excerpt p {
  color: #6f93be;
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-article-item {
  border-color: rgba(78, 129, 196, 0.3);
}

body[data-theme="matrix"][data-matrix-variant="blue"] .kb-cat-read-more {
  border-color: rgba(74, 143, 246, 0.58);
  background: rgba(14, 30, 57, 0.86);
  color: #9fc9ff;
}