/* =============================================================================
   ML Cabinets — User Manual Dialog
   user_manual.css
   -----------------------------------------------------------------------------
   Dialog-specific layout and overrides only.
   All tokens reference shared/design-system.css via --ml-* variables.
   ============================================================================= */

/* ---------------------------------------------------------------------------
   Layout — Two-column: sidebar + scrollable content
   --------------------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  overflow: hidden;
}

.manual-wrapper {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ---------------------------------------------------------------------------
   Sidebar
   --------------------------------------------------------------------------- */

.manual-sidebar {
  flex: 0 0 240px;
  display: flex;
  flex-direction: column;
  background: var(--ml-bg-subtle);
  border-right: 1px solid var(--ml-border);
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--ml-space-2);
  padding: var(--ml-space-3) var(--ml-space-3) var(--ml-space-2);
  border-bottom: 1px solid var(--ml-border);
}

.sidebar-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.sidebar-title {
  font-weight: 700;
  font-size: var(--ml-font-size-lg);
  color: var(--ml-text);
}

.sidebar-search {
  position: relative;
  padding: var(--ml-space-2) var(--ml-space-3);
}

.sidebar-search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ml-text-disabled);
  font-size: 11px;
  pointer-events: none;
}

.sidebar-search-input {
  width: 100%;
  padding: 5px var(--ml-space-2) 5px 28px;
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-pill);
  font: inherit;
  font-size: var(--ml-font-size-sm);
  background: var(--ml-bg);
  color: var(--ml-text);
  transition:
    border-color var(--ml-transition),
    box-shadow var(--ml-transition);
}

.sidebar-search-input:focus {
  outline: none;
  border-color: var(--ml-primary);
  box-shadow: 0 0 0 3px var(--ml-primary-subtle);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--ml-space-1) 0;
}

.nav-list {
  list-style: none;
}

.nav-list .nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--ml-space-2);
  padding: 6px var(--ml-space-3);
  color: var(--ml-text);
  text-decoration: none;
  font-size: var(--ml-font-size);
  border-radius: 0;
  cursor: pointer;
  transition:
    background var(--ml-transition),
    color var(--ml-transition);
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background: var(--ml-bg-muted);
}

.nav-link.active {
  background: var(--ml-primary-subtle);
  color: var(--ml-primary);
  font-weight: 600;
  border-left-color: var(--ml-primary);
}

.nav-icon {
  width: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--ml-text-muted);
  flex-shrink: 0;
}

.nav-link.active .nav-icon {
  color: var(--ml-primary);
}

.nav-children {
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.nav-item.has-children.expanded > .nav-children {
  max-height: 500px;
}

.nav-children .nav-link {
  padding-left: 40px;
  font-size: var(--ml-font-size-sm);
  color: var(--ml-text-muted);
  border-left: 3px solid transparent;
}

.nav-children .nav-link:hover {
  color: var(--ml-text);
}

.nav-children .nav-link.active {
  color: var(--ml-primary);
  font-weight: 600;
  background: var(--ml-primary-subtle);
  border-left-color: var(--ml-primary);
}

/* ---------------------------------------------------------------------------
   Main Content
   --------------------------------------------------------------------------- */

.manual-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Each section is a full page — hidden until activated */
.manual-section {
  display: none;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--ml-space-6) 32px;
  max-width: 820px;
  box-sizing: border-box;
}

.manual-section.active-page {
  display: block;
}

/* ---------------------------------------------------------------------------
   Hero Banner (Welcome)
   --------------------------------------------------------------------------- */

.hero-banner {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.hero-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.hero-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--ml-text);
  margin-bottom: var(--ml-space-1);
}

.hero-subtitle {
  font-size: var(--ml-font-size-lg);
  color: var(--ml-text-muted);
  margin-bottom: var(--ml-space-1);
}

.hero-tagline {
  font-size: var(--ml-font-size);
  color: var(--ml-text-muted);
  font-style: italic;
}

.hero-image-container {
  margin: var(--ml-space-4) 0 var(--ml-space-5);
  text-align: center;
}

.hero-image {
  width: 72%;
  height: auto;
  display: inline-block;
  border-radius: var(--ml-radius-lg);
  box-shadow: var(--ml-shadow);
}

/* ---------------------------------------------------------------------------
   Feature Highlights (Welcome cards)
   --------------------------------------------------------------------------- */

.feature-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ml-space-3);
  margin-top: var(--ml-space-5);
}

.highlight-card {
  text-align: center;
  padding: var(--ml-space-4) var(--ml-space-3);
  background: var(--ml-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-lg);
  transition:
    box-shadow var(--ml-transition),
    border-color var(--ml-transition);
}

.highlight-card:hover {
  box-shadow: var(--ml-shadow);
  border-color: var(--ml-border-strong);
}

.highlight-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  margin-bottom: var(--ml-space-2);
}

.highlight-card h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: var(--ml-space-1);
  color: var(--ml-text);
}

.highlight-card p {
  font-size: var(--ml-font-size-sm);
  color: var(--ml-text-muted);
  line-height: 1.4;
}

/* ---------------------------------------------------------------------------
   Typography
   --------------------------------------------------------------------------- */

h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ml-text);
  margin-bottom: var(--ml-space-4);
  padding-bottom: var(--ml-space-2);
  border-bottom: 2px solid var(--ml-primary);
}

h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ml-text);
  margin-top: 28px;
  margin-bottom: var(--ml-space-3);
}

article:first-child > h3:first-child {
  margin-top: var(--ml-space-3);
}

h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ml-text);
  margin-top: var(--ml-space-4);
  margin-bottom: var(--ml-space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

p {
  margin-bottom: var(--ml-space-3);
  line-height: 1.65;
}

ul,
ol {
  margin-bottom: var(--ml-space-3);
  padding-left: var(--ml-space-5);
}

li {
  margin-bottom: var(--ml-space-1);
  line-height: 1.55;
}

strong {
  font-weight: 600;
}

/* ---------------------------------------------------------------------------
   Screenshots
   --------------------------------------------------------------------------- */

.screenshot-container {
  margin: var(--ml-space-4) 0;
  text-align: center;
}

/* Pricing workflows contain tables and forms that need their full available width. */
.screenshot.pricing-screenshot {
  max-height: none;
}

.screenshot-row {
  display: flex;
  gap: var(--ml-space-3);
  margin: var(--ml-space-4) 0;
  align-items: flex-start;
}

.screenshot-row .screenshot-container {
  flex: 1;
  min-width: 0;
  margin: 0;
}

.screenshot {
  max-width: 100%;
  max-height: 360px;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-lg);
  box-shadow: var(--ml-shadow-sm);
  cursor: pointer;
  transition:
    box-shadow var(--ml-transition),
    transform 0.2s ease;
}

.screenshot:hover {
  box-shadow: var(--ml-shadow);
  transform: scale(1.01);
}

.screenshot-row .screenshot {
  max-height: 220px;
}

/* ---------------------------------------------------------------------------
   Tool Grid (Getting Started)
   --------------------------------------------------------------------------- */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ml-space-2);
  margin: var(--ml-space-3) 0;
}

.tool-card {
  display: flex;
  align-items: flex-start;
  gap: var(--ml-space-3);
  padding: var(--ml-space-3);
  background: var(--ml-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  transition: box-shadow var(--ml-transition);
}

.tool-card:hover {
  box-shadow: var(--ml-shadow-sm);
}

.tool-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 2px;
}

.tool-card strong {
  display: block;
  font-size: var(--ml-font-size);
  margin-bottom: 2px;
}

.tool-card p {
  font-size: var(--ml-font-size-sm);
  color: var(--ml-text-muted);
  margin-bottom: 0;
  line-height: 1.4;
}

/* ---------------------------------------------------------------------------
   Tool Header (section icons)
   --------------------------------------------------------------------------- */

.tool-header {
  margin-bottom: var(--ml-space-2);
}

.section-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

/* ---------------------------------------------------------------------------
   Inline Icon
   --------------------------------------------------------------------------- */

.inline-icon {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  margin: 0 2px;
}

/* ---------------------------------------------------------------------------
   Step Lists
   --------------------------------------------------------------------------- */

.step-list {
  counter-reset: step-counter;
  list-style: none;
  padding-left: 0;
  margin: var(--ml-space-3) 0;
}

.step-list li {
  position: relative;
  padding-left: 36px;
  margin-bottom: var(--ml-space-3);
  counter-increment: step-counter;
  line-height: 1.55;
}

.step-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ml-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------------------------------------------------------------------------
   Data Tables
   --------------------------------------------------------------------------- */

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--ml-space-3) 0;
  font-size: var(--ml-font-size);
}

.data-table th {
  background: var(--ml-bg-subtle);
  font-weight: 700;
  font-size: var(--ml-font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ml-text-muted);
  text-align: left;
  padding: var(--ml-space-2) var(--ml-space-3);
  border-bottom: 2px solid var(--ml-border-strong);
}

.data-table td {
  padding: var(--ml-space-2) var(--ml-space-3);
  border-bottom: 1px solid var(--ml-border);
  vertical-align: top;
}

.data-table tr:hover td {
  background: var(--ml-bg-subtle);
}

.data-table kbd {
  display: inline-block;
  padding: 1px 6px;
  font-size: 11px;
  font-family: inherit;
  font-weight: 600;
  background: var(--ml-bg-muted);
  border: 1px solid var(--ml-border-strong);
  border-radius: var(--ml-radius-sm);
  box-shadow: 0 1px 0 var(--ml-border);
}

/* ---------------------------------------------------------------------------
   Callout Boxes
   --------------------------------------------------------------------------- */

.callout {
  padding: var(--ml-space-3) var(--ml-space-4);
  border-radius: var(--ml-radius);
  margin: var(--ml-space-3) 0;
  font-size: var(--ml-font-size);
  line-height: 1.55;
  border-left: 4px solid;
}

.callout strong {
  display: inline;
}

.callout ul {
  margin-top: var(--ml-space-2);
  margin-bottom: 0;
}

.callout-tip {
  background: rgba(39, 160, 88, 0.06);
  border-left-color: var(--ml-success);
}

.callout-info {
  background: var(--ml-primary-subtle);
  border-left-color: var(--ml-primary);
}

.callout-warning {
  background: rgba(217, 119, 6, 0.06);
  border-left-color: var(--ml-warning);
}

/* ---------------------------------------------------------------------------
   Type Badges (Item types grid)
   --------------------------------------------------------------------------- */

.type-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ml-space-2);
  margin: var(--ml-space-3) 0;
}

.type-badge {
  padding: 4px var(--ml-space-3);
  border-radius: var(--ml-radius-pill);
  font-size: var(--ml-font-size-sm);
  font-weight: 600;
  border: 1px solid;
}

.type-door {
  background: rgba(26, 111, 196, 0.08);
  border-color: var(--ml-primary);
  color: var(--ml-primary);
}
.type-drawer {
  background: rgba(139, 92, 246, 0.08);
  border-color: #8b5cf6;
  color: #7c3aed;
}
.type-panel {
  background: rgba(217, 119, 6, 0.08);
  border-color: var(--ml-warning);
  color: #b45309;
}
.type-opening {
  background: rgba(39, 160, 88, 0.08);
  border-color: var(--ml-success);
  color: #15803d;
}
.type-appliance {
  background: rgba(208, 57, 43, 0.08);
  border-color: var(--ml-danger);
  color: var(--ml-danger);
}
.type-structural {
  background: var(--ml-bg-muted);
  border-color: var(--ml-border-strong);
  color: var(--ml-text-muted);
}
.type-profile {
  background: rgba(236, 72, 153, 0.08);
  border-color: #ec4899;
  color: #be185d;
}

/* ---------------------------------------------------------------------------
   Hierarchy Diagram
   --------------------------------------------------------------------------- */

.hierarchy-diagram {
  margin: var(--ml-space-3) 0;
  font-size: var(--ml-font-size);
}

.hierarchy-level {
  padding: var(--ml-space-2) var(--ml-space-3);
  border-left: 3px solid var(--ml-primary);
  margin-bottom: 2px;
  font-weight: 600;
  background: var(--ml-bg-subtle);
  border-radius: 0 var(--ml-radius-sm) var(--ml-radius-sm) 0;
}

.level-0 {
  margin-left: 0;
  background: var(--ml-primary);
  color: #fff;
  border-left-color: var(--ml-primary-active);
}
.level-1 {
  margin-left: 24px;
}
.level-2 {
  margin-left: 48px;
}
.level-3 {
  margin-left: 72px;
}

/* ---------------------------------------------------------------------------
   Lightbox
   --------------------------------------------------------------------------- */

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox-overlay[hidden] {
  display: none;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--ml-radius-lg);
  box-shadow: var(--ml-shadow-lg);
}

.lightbox-caption {
  color: #fff;
  font-size: var(--ml-font-size);
  margin-top: var(--ml-space-2);
  opacity: 0.85;
}

/* ---------------------------------------------------------------------------
   Search Results
   --------------------------------------------------------------------------- */

.search-results {
  position: absolute;
  top: 80px;
  left: 12px;
  width: 216px;
  max-height: 300px;
  overflow-y: auto;
  background: var(--ml-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  box-shadow: var(--ml-shadow);
  z-index: 500;
}

.search-results[hidden] {
  display: none;
}

.search-results-list {
  padding: var(--ml-space-1);
}

.search-result-item {
  padding: var(--ml-space-2) var(--ml-space-3);
  font-size: var(--ml-font-size-sm);
  border-radius: var(--ml-radius-sm);
  cursor: pointer;
  color: var(--ml-text);
  transition: background var(--ml-transition);
}

.search-result-item:hover {
  background: var(--ml-bg-muted);
}

.search-result-item mark {
  background: rgba(217, 119, 6, 0.2);
  color: inherit;
  border-radius: 2px;
  padding: 0 2px;
}

/* ---------------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------------- */

.manual-footer {
  padding: var(--ml-space-4) 32px;
  text-align: center;
  color: var(--ml-text-disabled);
  font-size: var(--ml-font-size-sm);
}

/* ---------------------------------------------------------------------------
   Scrollbar Styling
   --------------------------------------------------------------------------- */

.manual-content::-webkit-scrollbar,
.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.manual-content::-webkit-scrollbar-track,
.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.manual-content::-webkit-scrollbar-thumb,
.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--ml-border);
  border-radius: var(--ml-radius-pill);
}

.manual-content::-webkit-scrollbar-thumb:hover,
.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background: var(--ml-border-strong);
}

/* ---------------------------------------------------------------------------
   Responsive: collapse sidebar on narrow dialogs
   --------------------------------------------------------------------------- */

@media (max-width: 600px) {
  .manual-sidebar {
    flex: 0 0 44px;
    overflow: hidden;
  }
  .sidebar-title,
  .sidebar-search,
  .nav-children,
  .nav-link span {
    display: none;
  }
  .nav-link {
    justify-content: center;
    padding: var(--ml-space-2);
  }
  .nav-icon {
    font-size: 16px;
  }
  .feature-highlights {
    grid-template-columns: repeat(2, 1fr);
  }
  .tool-grid {
    grid-template-columns: 1fr;
  }
}