/* TALOS QA Dedicated Documentation Portal Styles */

.docs-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
}

/* Docs Header */
.docs-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}

.docs-header-inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.docs-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  text-decoration: none;
}

.docs-brand-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background-color: var(--brand-glow);
  color: var(--brand-primary);
  border: 1px solid var(--border-color);
}

/* Search Input in Header */
.docs-search-wrapper {
  flex: 1;
  max-width: 460px;
  position: relative;
}

.docs-search-input {
  width: 100%;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem 0.45rem 2.25rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.docs-search-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--brand-glow);
}

.docs-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}

.docs-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.docs-back-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
}

.docs-back-link:hover {
  color: var(--brand-primary);
}

/* Main Docs Portal Layout */
.docs-portal-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 220px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-height));
}

@media (max-width: 1200px) {
  .docs-portal-layout {
    grid-template-columns: 230px minmax(0, 1fr);
  }
  .docs-toc-pane {
    display: none;
  }
}

.docs-mobile-sidebar-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
}

.docs-mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 85;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.docs-mobile-backdrop.active {
  display: block;
  opacity: 1;
}

@media (max-width: 860px) {
  .docs-mobile-sidebar-toggle {
    display: inline-flex;
  }

  .docs-portal-layout {
    grid-template-columns: 1fr;
  }

  .docs-portal-sidebar {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 290px;
    max-width: 82vw;
    z-index: 90;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    padding-top: calc(var(--header-height) + 1rem);
  }

  .docs-portal-sidebar.mobile-open {
    transform: translateX(0);
  }

  .docs-sidebar-item {
    padding: 0.65rem 0.75rem;
    min-height: 44px;
    font-size: 0.875rem;
  }
}

@media (max-width: 580px) {
  .docs-search-wrapper {
    max-width: 140px;
  }
  .docs-search-input {
    font-size: 0.775rem;
    padding-left: 2rem;
  }
  .docs-search-icon {
    left: 0.65rem;
    width: 13px;
    height: 13px;
  }
  .docs-brand-badge {
    display: none;
  }
  .docs-header-actions {
    gap: 0.4rem;
  }
}

/* Sticky Left Sidebar (Refined & Compact) */
.docs-portal-sidebar {
  border-right: 1px solid var(--border-color);
  padding: 1.25rem 0.75rem 2rem 1rem;
  background-color: var(--bg-surface);
  overflow-y: auto;
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.docs-portal-sidebar::-webkit-scrollbar {
  width: 4px;
}
.docs-portal-sidebar::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
}

.docs-sidebar-group {
  margin-bottom: 1.25rem;
}

.docs-sidebar-group-title {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.25rem 0.55rem;
  margin-bottom: 0.2rem;
}

.docs-sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.docs-sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
  line-height: 1.35;
}

.docs-sidebar-item:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.docs-sidebar-item.active {
  color: var(--brand-primary);
  background-color: var(--brand-glow);
  font-weight: 600;
  border-left-color: var(--brand-primary);
}

.docs-sidebar-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: currentColor;
  opacity: 0.85;
}

.docs-sidebar-item-icon svg {
  width: 14px;
  height: 14px;
}

/* Center Content Pane */
.docs-main-pane {
  padding: 2rem 3rem 4rem;
  max-width: 860px;
  overflow-x: hidden;
}

@media (max-width: 768px) {
  .docs-main-pane {
    padding: 1.5rem 1.25rem 4rem;
  }
}

/* Breadcrumbs */
.docs-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.docs-breadcrumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.docs-breadcrumbs a:hover {
  color: var(--brand-primary);
}

.docs-breadcrumbs-separator {
  color: var(--border-color);
}

/* Article Meta Bar */
.docs-meta-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.docs-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.docs-meta-dot {
  color: var(--border-color);
}

.docs-meta-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.docs-meta-link:hover {
  color: var(--brand-primary);
}

/* Page Feedback Card */
.docs-feedback-box {
  margin-top: 3.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.docs-feedback-prompt {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.docs-feedback-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.docs-feedback-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.docs-feedback-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.docs-feedback-btn.active {
  background-color: var(--brand-glow);
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

/* Right TOC Pane */
.docs-toc-pane {
  border-left: 1px solid var(--border-color);
  padding: 1.5rem 1rem 2rem 1.15rem;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  scrollbar-width: thin;
}

.docs-toc-title {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
  padding-left: 0.4rem;
}

.docs-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.docs-toc-item a {
  display: block;
  font-size: 0.78125rem;
  color: var(--text-secondary);
  padding: 0.28rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  line-height: 1.35;
}

.docs-toc-item a:hover {
  color: var(--brand-primary);
  background-color: var(--bg-surface-hover);
}

/* Page Navigation Footer (Prev / Next) */
.docs-nav-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

@media (max-width: 600px) {
  .docs-nav-pager {
    grid-template-columns: 1fr;
  }
}

.docs-pager-btn {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.docs-pager-btn:hover {
  border-color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.docs-pager-btn.next {
  text-align: right;
  align-items: flex-end;
}

.docs-pager-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.docs-pager-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--brand-primary);
}

/* Landing Page Documentation Preview Grid */
.docs-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (max-width: 960px) {
  .docs-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .docs-preview-grid {
    grid-template-columns: 1fr;
  }
}

.docs-preview-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.docs-preview-card:hover {
  border-color: var(--brand-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.docs-preview-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--brand-glow);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.docs-preview-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.docs-preview-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.docs-preview-link {
  margin-top: auto;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}