/* ==========================================================================
   BDC Knowledge Base — Dark Theme Styles
   Scoped under .bdc-kb to avoid conflicts
   ========================================================================== */

/* ---------- Reset & Base ---------- */
.bdc-kb { background: #0f0f1a; min-height: 100vh;
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #e0e0e8;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.bdc-kb *, .bdc-kb *::before, .bdc-kb *::after {
  box-sizing: border-box;
}

.bdc-kb a {
  color: #d4a843;
  text-decoration: none;
  transition: color .2s;
}

.bdc-kb a:hover {
  color: #e8c36a;
}

/* ---------- Archive: Hero ---------- */
.bdc-kb-hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
  text-align: center;
  padding: 80px 24px 60px;
  border-bottom: 1px solid rgba(212, 168, 67, .15);
}

.bdc-kb-hero-title {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}

.bdc-kb-hero-subtitle {
  font-size: 17px;
  color: #808090;
  margin: 0 0 32px;
}

/* ---------- Archive: Layout ---------- */
.bdc-kb-archive-layout {
  display: flex;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ---------- Archive: Sidebar ---------- */
.bdc-kb-sidebar {
  width: 260px;
  flex-shrink: 0;
  position: sticky;
  top: 100px;
  align-self: flex-start;
}

.bdc-kb-sidebar-heading {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #808090;
  margin: 0 0 16px;
}

.bdc-kb-category-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bdc-kb-category-list li {
  margin-bottom: 4px;
}

.bdc-kb-category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: #b0b0c0;
  transition: background .2s, color .2s;
}

.bdc-kb-category-link:hover {
  background: rgba(212, 168, 67, .08);
  color: #e0e0e8;
}

.bdc-kb-category-link.is-active {
  background: rgba(212, 168, 67, .12);
  color: #d4a843;
  font-weight: 600;
}

.bdc-kb-category-count {
  font-size: 12px;
  color: #606070;
  background: rgba(255, 255, 255, .05);
  padding: 2px 8px;
  border-radius: 10px;
}

.bdc-kb-category-link.is-active .bdc-kb-category-count {
  color: #d4a843;
  background: rgba(212, 168, 67, .15);
}

/* ---------- Archive: Card Grid ---------- */
.bdc-kb-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-content: start;
}

.bdc-kb-card {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 12px;
  padding: 28px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}

.bdc-kb-card:hover {
  border-color: rgba(212, 168, 67, .25);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}

.bdc-kb-card[data-category].is-hidden {
  display: none;
}

.bdc-kb-card-header {
  margin-bottom: 12px;
}

.bdc-kb-card-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #d4a843;
  background: rgba(212, 168, 67, .1);
  padding: 4px 10px;
  border-radius: 4px;
}

.bdc-kb-card-title {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
  line-height: 1.35;
}

.bdc-kb-card-title a {
  color: #fff;
}

.bdc-kb-card-title a:hover {
  color: #d4a843;
}

.bdc-kb-card-excerpt {
  font-size: 14px;
  color: #808090;
  margin: 0 0 14px;
  line-height: 1.6;
}

.bdc-kb-card-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: #606070;
}

/* ---------- Search ---------- */
.bdc-kb-search-wrap {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.bdc-kb-search-form {
  position: relative;
}

.bdc-kb-search-input {
  width: 100%;
  padding: 16px 20px;
  font-size: 15px;
  color: #e0e0e8;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 10px;
  outline: none;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}

.bdc-kb-search-input::placeholder {
  color: #606070;
}

.bdc-kb-search-input:focus {
  border-color: rgba(212, 168, 67, .4);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, .1);
}

.bdc-kb-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #1a1a2e;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 10px;
  max-height: 400px;
  overflow-y: auto;
  z-index: 100;
  display: none;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .5);
}

.bdc-kb-search-results.is-open {
  display: block;
}

.bdc-kb-search-result {
  display: block;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  transition: background .15s;
}

.bdc-kb-search-result:last-child {
  border-bottom: none;
}

.bdc-kb-search-result:hover {
  background: rgba(212, 168, 67, .06);
}

.bdc-kb-search-result-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.bdc-kb-search-result-excerpt {
  font-size: 13px;
  color: #808090;
  line-height: 1.5;
}

.bdc-kb-search-result-score {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
}

.bdc-kb-search-result-score.high {
  color: #4ade80;
  background: rgba(74, 222, 128, .1);
}

.bdc-kb-search-result-score.medium {
  color: #d4a843;
  background: rgba(212, 168, 67, .1);
}

.bdc-kb-search-result-score.low {
  color: #808090;
  background: rgba(128, 128, 144, .1);
}

.bdc-kb-search-loading {
  text-align: center;
  padding: 24px;
  color: #808090;
  font-size: 14px;
}

.bdc-kb-search-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(212, 168, 67, .2);
  border-top-color: #d4a843;
  border-radius: 50%;
  animation: bdc-kb-spin .6s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes bdc-kb-spin {
  to { transform: rotate(360deg); }
}

.bdc-kb-search-empty {
  padding: 24px;
  text-align: center;
  color: #606070;
  font-size: 14px;
}

/* ---------- Single: Breadcrumbs ---------- */
.bdc-kb-breadcrumbs {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 0;
  font-size: 13px;
  color: #606070;
}

.bdc-kb-breadcrumbs a {
  color: #808090;
}

.bdc-kb-breadcrumbs a:hover {
  color: #d4a843;
}

.bdc-kb-breadcrumb-sep {
  margin: 0 8px;
  color: #404050;
}

.bdc-kb-breadcrumb-current {
  color: #b0b0c0;
}

/* ---------- Single: Article Header ---------- */
.bdc-kb-article-header {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 0;
}

.bdc-kb-article-title {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin: 12px 0 16px;
  line-height: 1.25;
}

.bdc-kb-article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: #606070;
}

/* ---------- Single: Article Body ---------- */
.bdc-kb-article-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 48px;
  font-size: 16px;
  line-height: 1.8;
}

.bdc-kb-article-body h2 {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.bdc-kb-article-body h3 {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: #e0e0e8;
  margin: 36px 0 12px;
}

.bdc-kb-article-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: #d4a843;
  margin: 28px 0 8px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.bdc-kb-article-body p {
  margin: 0 0 20px;
}

.bdc-kb-article-body ul,
.bdc-kb-article-body ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.bdc-kb-article-body li {
  margin-bottom: 8px;
}

.bdc-kb-article-body code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: #d4a843;
  background: rgba(212, 168, 67, .08);
  padding: 2px 6px;
  border-radius: 4px;
}

.bdc-kb-article-body pre {
  background: #0d0d1a;
  border-left: 3px solid #d4a843;
  border-radius: 8px;
  padding: 20px 24px;
  margin: 0 0 24px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
}

.bdc-kb-article-body pre code {
  background: none;
  padding: 0;
  color: #c0c0d0;
}

.bdc-kb-article-body blockquote {
  border-left: 3px solid rgba(212, 168, 67, .4);
  margin: 0 0 24px;
  padding: 16px 24px;
  background: rgba(212, 168, 67, .04);
  border-radius: 0 8px 8px 0;
  color: #b0b0c0;
  font-style: italic;
}

.bdc-kb-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 14px;
}

.bdc-kb-article-body th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(255, 255, 255, .04);
  color: #d4a843;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.bdc-kb-article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .04);
  color: #c0c0d0;
}

.bdc-kb-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 8px 0 16px;
}

.bdc-kb-article-body strong {
  color: #fff;
}

/* ---------- Single: Feedback ---------- */
.bdc-kb-feedback {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

.bdc-kb-feedback-box {
  text-align: center;
  padding: 36px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 12px;
}

.bdc-kb-feedback-question {
  font-size: 16px;
  font-weight: 600;
  color: #e0e0e8;
  margin: 0 0 16px;
}

.bdc-kb-feedback-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.bdc-kb-feedback-btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 28px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: transparent;
  color: #e0e0e8;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}

.bdc-kb-feedback-btn:hover {
  border-color: #d4a843;
  color: #d4a843;
}

.bdc-kb-feedback-btn:disabled {
  opacity: .4;
  cursor: default;
}

.bdc-kb-feedback-btn.is-selected {
  background: rgba(212, 168, 67, .15);
  border-color: #d4a843;
  color: #d4a843;
}

.bdc-kb-feedback-thanks {
  display: none;
  font-size: 14px;
  color: #4ade80;
  margin: 16px 0 0;
}

.bdc-kb-feedback-thanks.is-visible {
  display: block;
}

.bdc-kb-support-fallback {
  font-size: 13px;
  color: #606070;
  margin: 12px 0 0;
}

/* ---------- Single: Related Articles ---------- */
.bdc-kb-related {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.bdc-kb-related-heading {
  font-family: 'Cinzel', 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 24px;
}

.bdc-kb-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bdc-kb-related-card {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 10px;
  padding: 24px;
  transition: border-color .25s, transform .25s;
}

.bdc-kb-related-card:hover {
  border-color: rgba(212, 168, 67, .2);
  transform: translateY(-2px);
}

.bdc-kb-related-card-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: #d4a843;
  background: rgba(212, 168, 67, .1);
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
}

.bdc-kb-related-card-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
  line-height: 1.35;
}

.bdc-kb-related-card-title a {
  color: #fff;
}

.bdc-kb-related-card-title a:hover {
  color: #d4a843;
}

.bdc-kb-related-card-excerpt {
  font-size: 13px;
  color: #808090;
  margin: 0;
  line-height: 1.5;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .bdc-kb-hero {
    padding: 60px 20px 48px;
  }

  .bdc-kb-hero-title {
    font-size: 30px;
  }

  .bdc-kb-archive-layout {
    flex-direction: column;
    gap: 0;
    padding: 0 16px 60px;
  }

  .bdc-kb-sidebar {
    width: 100%;
    position: static;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    margin-bottom: 24px;
  }

  .bdc-kb-category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .bdc-kb-category-list li {
    margin-bottom: 0;
  }

  .bdc-kb-category-link {
    padding: 8px 14px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 20px;
  }

  .bdc-kb-category-link.is-active {
    border-color: rgba(212, 168, 67, .3);
  }

  .bdc-kb-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .bdc-kb-card {
    padding: 22px;
  }

  .bdc-kb-article-title {
    font-size: 26px;
  }

  .bdc-kb-article-body {
    font-size: 15px;
    padding: 32px 20px 40px;
  }

  .bdc-kb-article-body h2 {
    font-size: 22px;
  }

  .bdc-kb-related-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .bdc-kb-feedback-box {
    padding: 28px 20px;
  }

  .bdc-kb-article-meta {
    flex-wrap: wrap;
    gap: 12px;
  }
}