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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #f5f5f7;
  color: #111827;
}

body {
  display: flex;
}

/* Root container - make it fill the iframe */
#kb-root {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100vh;
}

/* Header */

.kb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e5e7eb;
  background-color: #ffffff;
}

.kb-header-main {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.kb-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: #111827;
}

.kb-subtitle {
  font-size: 0.75rem;
  margin: 0;
  color: #6b7280;
}

/* User badge */

.kb-user-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.125rem;
  font-size: 0.75rem;
  color: #4b5563;
}

.kb-user-name {
  font-weight: 500;
}

.kb-user-org {
  font-size: 0.7rem;
  color: #9ca3af;
}

/* Layout */

.kb-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 0;
  flex: 1 1 auto;
}

/* Sidebar */

.kb-sidebar {
  border-right: 1px solid #e5e7eb;
  background-color: #f9fafb;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.kb-sidebar-header {
  padding: 0.75rem;
  border-bottom: 1px solid #e5e7eb;
}

.kb-search-input {
  width: 100%;
  padding: 0.4rem 0.55rem;
  border-radius: 0.375rem;
  border: 1px solid #d1d5db;
  font-size: 0.8rem;
  outline: none;
}

.kb-search-input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.4);
}

.kb-article-list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  overflow-y: auto;
  flex: 1 1 auto;
}

.kb-article-item {
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-size: 0.8rem;
  border-left: 2px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.kb-article-item:hover {
  background-color: #eef2ff;
}

.kb-article-item.kb-active {
  background-color: #e0e7ff;
  border-left-color: #4f46e5;
}

.kb-article-title-sm {
  font-weight: 500;
  color: #111827;
}

.kb-article-category {
  font-size: 0.7rem;
  color: #9ca3af;
}

/* Content */

.kb-content {
  padding: 1rem 1.25rem;
  overflow-y: auto;
  background-color: #ffffff;
}

.kb-article-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.kb-article-meta {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: #9ca3af;
}

.kb-article-body {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #374151;
}

.kb-article-body h3 {
  margin-top: 1rem;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.kb-article-body p {
  margin: 0.25rem 0;
}

.kb-article-body ul {
  padding-left: 1.2rem;
  margin: 0.25rem 0 0.5rem;
}

.kb-article-body li {
  margin: 0.15rem 0;
}

/* Responsive */

@media (max-width: 768px) {
  .kb-layout {
    grid-template-columns: 1fr;
  }

  .kb-sidebar {
    max-height: 40vh;
  }

  .kb-content {
    max-height: 60vh;
  }
}