/* DIMinfra App Styles - Mobile-first Design System */

/* CSS Variables - Theme Tokens */
:root {
  /* Colors - Light Theme (based on logo: teal/cyan, black, dark gray) */
  --color-primary: #0395B1; /* Primary brand color */
  --color-primary-dark: #027a91;
  --color-primary-light: #04b0d0;
  --color-text: #1a1a1a; /* Black from logo */
  --color-text-secondary: #4a4a4a; /* Dark gray */
  --color-text-muted: #6a6a6a;
  --color-bg: #ffffff;
  --color-bg-secondary: #f5f5f5;
  --color-bg-tertiary: #eaeaea;
  --color-border: #d0d0d0;
  --color-error: #d32f2f;
  --color-success: #2e7d32;
  --color-warning: #ed6c02;
  --color-info: #0288d1;
  
  /* Spacing */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Border Radius */
  --radius-sm: 0.25rem; /* 4px */
  --radius-md: 0.5rem; /* 8px */
  --radius-lg: 0.75rem; /* 12px */
  --radius-xl: 1rem; /* 16px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Z-index layers */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-text: #e0e0e0;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #909090;
  --color-bg: #1a1a1a;
  --color-bg-secondary: #2a2a2a;
  --color-bg-tertiary: #333333;
  --color-border: #404040;
  --color-error: #f44336;
  --color-success: #4caf50;
  --color-warning: #ff9800;
  --color-info: #2196f3;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-base), color var(--transition-base);
  padding-bottom: calc(60px + env(safe-area-inset-bottom)); /* Space for bottom nav */
  padding-top: calc(56px + env(safe-area-inset-top)); /* Space for top bar */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5, h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

.text-muted {
  color: var(--color-text-muted);
}

/* Layout */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Top App Bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--spacing-md);
  z-index: var(--z-fixed);
  padding-top: env(safe-area-inset-top);
}

.top-bar__partner-logos {
  justify-self: start;
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
}

.top-bar__partner-logo {
  height: 24px;
  width: auto;
  display: block;
  object-fit: contain;
}

.top-bar__logo {
  height: 150px;
  width: auto;
  justify-self: center;
  grid-column: 2;
}

.top-bar__title {
  display: none;
}

.top-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  justify-self: end;
  grid-column: 3;
}

.top-bar__btn {
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
  min-width: 44px;
  min-height: 44px;
}

.top-bar__btn:hover {
  background-color: var(--color-bg-secondary);
}

.top-bar__btn svg {
  width: 24px;
  height: 24px;
}

/* Main Content */
main {
  flex: 1;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.page {
  padding: var(--spacing-lg) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.page--dashboard {
  padding-top: var(--spacing-md);
}

.dashboard-partner-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.dashboard-partner-logo {
  height: 24px;
  width: auto;
  display: block;
  object-fit: contain;
  max-width: 48%;
}

@media (min-width: 900px) {
  .dashboard-partner-logo {
    height: 29px;
  }
}

.page--detail {
  padding-top: var(--spacing-xl);
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: var(--z-fixed);
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-xs);
  transition: color var(--transition-fast);
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
}

.bottom-nav__item:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-secondary);
}

.bottom-nav__item--active {
  color: var(--color-primary);
}

.bottom-nav__item svg {
  width: 24px;
  height: 24px;
  margin-bottom: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 44px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background-color: var(--color-bg-tertiary);
}

.btn--block {
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card--link:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.card--disabled {
  opacity: 0.6;
  pointer-events: none;
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.card p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.card__icon svg {
  width: 100%;
  height: 100%;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.card__date {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

/* Chips/Tags */
.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.chip--filter {
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip--filter:hover {
  background-color: var(--color-bg-tertiary);
}

.chip--filter.chip--active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Grids */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Dashboard - Voeg toe als app banner */
@keyframes add-to-app-pulse {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50% { box-shadow: 0 0 12px rgba(3, 149, 177, 0.4); }
}

.add-to-app-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-xs);
  transition: background-color var(--transition-fast);
  animation: add-to-app-pulse 2s ease-in-out 2;
}

.add-to-app-banner:hover {
  background-color: var(--color-bg-tertiary);
}

.add-to-app-banner__icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.add-to-app-banner__icon svg {
  width: 14px;
  height: 14px;
}

.add-to-app-banner__text {
  font-weight: var(--font-weight-medium);
}

/* Dashboard */
.dashboard-intro {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.dashboard-intro .top-bar__logo {
  transform: translateX(-5%);
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

.dashboard-intro h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-sm);
}

.dashboard-intro p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  padding-bottom: var(--spacing-md);
}

.dashboard-section {
  margin-bottom: var(--spacing-2xl);
}

.dashboard-section h2 {
  margin-bottom: var(--spacing-lg);
}

/* Filter Chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
}

/* Event List */
.event-section {
  margin-bottom: var(--spacing-2xl);
}

.event-section:last-child {
  margin-bottom: 0;
}

.event-section__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.event-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.event-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.event-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.event-item__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: var(--spacing-sm);
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-bold);
}

.event-item__day {
  font-size: var(--font-size-xl);
  line-height: 1;
}

.event-item__month {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  margin-top: 2px;
}

.event-item__year {
  font-size: var(--font-size-xs);
  opacity: 0.9;
  margin-top: 2px;
}

.event-item__content {
  flex: 1;
}

.event-item__content h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-lg);
}

.event-item__content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Post List */
.post-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.post-item {
  display: block;
  padding: var(--spacing-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.post-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.post-item--large {
  padding: var(--spacing-xl);
}

.post-item__thumb {
  width: 100%;
  height: 160px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  background: var(--color-bg-secondary);
}

.post-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-item--thumb-top .post-item__thumb img {
  object-position: top;
}

.post-item__meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.post-item__date {
  font-weight: var(--font-weight-medium);
}

.post-item h2,
.post-item h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
}

.post-item p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.post-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

/* Detail Pages */
.detail-hero {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
}

.detail-hero__icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.detail-hero__icon svg {
  width: 100%;
  height: 100%;
}

.detail-hero__summary {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.detail-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.event-detail-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.event-detail-meta__item {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.detail-content {
  margin-bottom: var(--spacing-2xl);
}

.content-section {
  margin-bottom: var(--spacing-xl);
}

.content-section h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.content-section ul,
.content-section ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* Feed - LinkedIn-style posts */
.feed-composer {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.feed-composer:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.feed-composer__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}
.feed-composer__input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  background: var(--color-bg-secondary);
  color: var(--color-text);
  resize: none;
  min-height: 44px;
}
.feed-composer__input::placeholder {
  color: var(--color-text-muted);
}
.feed-post {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}
.feed-post__header {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}
.feed-post__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}
.feed-post__meta {
  flex: 1;
  min-width: 0;
}
.feed-post__author {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 2px;
}
.feed-post__time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.feed-post__content {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  white-space: pre-wrap;
}
.feed-post__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}
.feed-post__like-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.feed-post__like-btn:hover {
  color: var(--color-primary);
  background: rgba(3, 149, 177, 0.08);
}
.feed-post__like-btn.is-liked {
  color: var(--color-primary);
}
.feed-post__like-btn.is-liked svg {
  fill: var(--color-primary);
}
.feed-post__like-btn svg {
  flex-shrink: 0;
}

/* Tutorials overview */
.tutorials-overview__intro {
  margin-bottom: var(--spacing-xl);
  max-width: 50ch;
}
.tutorials-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}
@media (min-width: 600px) {
  .tutorials-overview__grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}
.tutorials-overview__card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  padding: var(--spacing-lg);
}
.tutorials-overview__icon-wrap {
  width: 72px;
  height: 72px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-lg);
  background: rgba(3, 149, 177, 0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tutorials-overview__icon-svg {
  width: 48px;
  height: 48px;
}
.tutorials-overview__card-title {
  font-size: var(--font-size-lg);
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--color-text);
}
.tutorials-overview__case {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-sm) 0;
}
.tutorials-overview__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
  margin-top: auto;
}

/* LMS-style tutorials layout */
.page--lms {
  max-width: 1280px;
}
.lms-page-title {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-3xl);
}
.lms-back-link {
  margin: 0 0 var(--spacing-lg) 0;
  font-size: var(--font-size-sm);
}
.lms-back-link a {
  color: var(--color-text-muted);
}
.lms-back-link a:hover {
  color: var(--color-primary);
}
.lms-main {
  min-width: 0;
}
.lms-course-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}
.lms-course-header__title {
  font-size: var(--font-size-2xl);
  margin: 0 0 var(--spacing-xs) 0;
}
.lms-course-header__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-sm) 0;
}
.lms-course-header__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  max-width: 65ch;
}
.lms-progress {
  margin-bottom: var(--spacing-xl);
}
.lms-progress__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}
.lms-progress__label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}
.lms-progress__value {
  color: var(--color-text-muted);
}
.lms-progress__track {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  overflow: hidden;
}
.lms-progress__fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: width var(--transition-slow);
}
.lms-lessons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}
.lms-lesson {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.lms-lesson__head {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}
.lms-step-check {
  width: 22px;
  height: 22px;
  min-width: 22px;
  min-height: 22px;
  cursor: pointer;
  accent-color: var(--color-primary);
}
.lms-lesson__num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lms-lesson__titles h3 {
  margin: 0 0 4px 0;
  font-size: var(--font-size-lg);
}
.lms-lesson__titles p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}
.lms-lesson__body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}
.lms-lesson__footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
}
.lms-lesson__check-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  user-select: none;
}
.lms-lesson__check-label:hover .lms-lesson__check-text {
  color: var(--color-text);
}
.lms-lesson__check-text {
  line-height: 1.2;
}
.lms-lesson__video {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-tertiary);
}
.lms-lesson__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.content-section li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

/* Related Section */
.related-section {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-border);
}

/* Researcher Cards */
.researcher-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.researcher-card {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.researcher-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  overflow: hidden;
}

.researcher-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
}

.researcher-card__content {
  flex: 1;
}

.researcher-card__role {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.researcher-card__bio {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.researcher-card__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  text-decoration: none;
  margin-bottom: var(--spacing-md);
  transition: opacity 0.2s;
}

.researcher-card__linkedin:hover {
  opacity: 0.8;
}

.researcher-card__expertise {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

/* Focus Areas */
.focus-areas {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
  .focus-areas {
    grid-template-columns: repeat(2, 1fr);
  }
}

.focus-area-card {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.focus-area-card:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.focus-area-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--spacing-sm);
  color: inherit;
  opacity: 0.9;
}

.focus-area-card:hover .focus-area-card__icon {
  opacity: 1;
}

.focus-area-card__icon svg {
  width: 100%;
  height: 100%;
}

.focus-area-card h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

/* Contact */
.contact-section {
  margin-bottom: var(--spacing-2xl);
}

.contact-link {
  display: inline-block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-md);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Login Form */
.login-form {
  margin-bottom: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(3, 149, 177, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.login-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.link {
  color: var(--color-primary);
  text-decoration: underline;
  font-size: var(--font-size-sm);
}

.member-only-section {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-border);
}

/* More Menu */
.more-menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.more-menu__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  min-height: 44px;
}

.more-menu__item:hover {
  background-color: var(--color-bg-secondary);
  transform: translateX(4px);
}

.more-menu__item svg {
  color: var(--color-text-muted);
}

.more-menu__item--button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: var(--spacing-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.more-menu__item--button:hover {
  background-color: var(--color-bg-secondary);
}

/* Accordion */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background-color: var(--color-bg);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-align: left;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
  min-height: 44px;
}

.accordion__header:hover {
  background-color: var(--color-bg-secondary);
}

.accordion__header svg {
  transition: transform var(--transition-base);
  color: var(--color-text-muted);
}

.accordion--open .accordion__header svg {
  transform: rotate(180deg);
}

.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  padding: 0 var(--spacing-lg);
}

.accordion--open .accordion__body {
  max-height: 2000px;
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.matrix-section--table .accordion__header {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.faq-list {
  margin-top: var(--spacing-lg);
}

/* Agenda */
.agenda-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.agenda-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
}

.agenda-item__time {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  min-width: 60px;
}

.agenda-item__title {
  flex: 1;
  color: var(--color-text);
}

/* Table of Contents */
.toc {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.toc h2 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc__item {
  margin-bottom: var(--spacing-xs);
}

.toc__item--h3 {
  margin-left: var(--spacing-lg);
}

.toc__link {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-sm);
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.toc__link:hover {
  color: var(--color-primary);
}

/* Post Detail */
.post-detail {
  max-width: 800px;
  margin: 0 auto;
}

.post-detail__header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
}

.post-detail__meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.post-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.post-detail__toc {
  margin-bottom: var(--spacing-2xl);
}

.post-detail__content {
  line-height: var(--line-height-relaxed);
}

.post-detail__content h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.post-detail__content h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.post-detail__content p {
  margin-bottom: var(--spacing-lg);
}

.post-detail__video {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Thumbnails onder header – klein naast elkaar, klikbaar voor lightbox */
.post-thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.post-thumbnails__btn {
  padding: 0;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: none;
  cursor: pointer;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.post-thumbnails__btn:hover {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.post-thumbnails__img {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: cover;
}

.post-detail__gallery {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.post-detail__gallery h2 {
  margin-bottom: var(--spacing-lg);
}

.post-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.post-gallery__item {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-bg-secondary);
}

.post-gallery__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.search-overlay--open {
  opacity: 1;
  transform: translateY(0);
}

.search-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  padding-top: calc(var(--spacing-lg) + env(safe-area-inset-top));
}

.search-input {
  flex: 1;
  padding: var(--spacing-md);
  font-size: var(--font-size-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  min-height: 44px;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  cursor: pointer;
  padding: var(--spacing-sm);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-results {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.search-section {
  margin-bottom: var(--spacing-2xl);
}

.search-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.search-term {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-xs);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.search-term:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.search-result-item {
  display: block;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.search-result-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.search-result-item__badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.search-result-item__title {
  display: block;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.search-result-item__summary {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal-overlay--open {
  opacity: 1;
}

.modal-overlay--closing {
  opacity: 0;
}

.modal {
  background-color: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-overlay--open .modal {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-sm);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--color-bg-secondary);
}

.add-to-home-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.add-to-home-other {
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

.add-to-home-other__btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  text-decoration: underline;
  cursor: pointer;
  padding: var(--spacing-xs) 0;
}

.add-to-home-other__btn:hover {
  color: var(--color-primary-dark);
}

.add-to-home-section h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.add-to-home-steps {
  margin: 0;
  padding-left: var(--spacing-lg);
}

.add-to-home-steps li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.modal-content h2 {
  margin-bottom: var(--spacing-lg);
}

.modal-content--scroll {
  max-height: 70vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-xl);
}

/* Bottom Sheet */
.sheet-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sheet-overlay--open {
  opacity: 1;
}

.sheet-overlay--closing {
  opacity: 0;
}

.sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform var(--transition-base);
  padding-bottom: env(safe-area-inset-bottom);
}

.sheet-overlay--open .sheet {
  transform: translateY(0);
}

.sheet__handle {
  width: 40px;
  height: 4px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  margin: var(--spacing-md) auto;
}

.sheet__body {
  padding: var(--spacing-lg);
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(80px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-tooltip);
  opacity: 0;
  transition: opacity var(--transition-base), transform var(--transition-base);
  max-width: 90%;
  text-align: center;
}

.toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast--success {
  background-color: var(--color-success);
  color: white;
}

.toast--error {
  background-color: var(--color-error);
  color: white;
}

.toast--info {
  background-color: var(--color-info);
  color: white;
}

/* Skeleton Loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-secondary) 25%,
    var(--color-bg-tertiary) 50%,
    var(--color-bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton--card {
  height: 200px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state__text {
  font-size: var(--font-size-lg);
}

/* Error State */
.error {
  padding: var(--spacing-lg);
  background-color: rgba(211, 47, 47, 0.1);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: var(--color-error);
  text-align: center;
}

/* Desktop Layout (>= 900px) */
@media (min-width: 900px) {
  body {
    padding-bottom: 0;
    padding-top: calc(34px + env(safe-area-inset-top)); /* Space for smaller top bar on desktop */
  }
  
  .app-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: auto 1fr;
  }
  
  .top-bar {
    grid-column: 1 / -1;
    position: sticky;
    top: 0;
    height: 34px;
    padding: 0 var(--spacing-sm);
  }

  .top-bar__btn {
    padding: 4px;
    min-width: 26px;
    min-height: 26px;
  }

  .top-bar__btn svg {
    width: 16px;
    height: 16px;
  }

  .top-bar__partner-logo {
    height: 21px;
  }
  
  .sidebar {
    display: block;
    position: sticky;
    top: 34px;
    height: calc(100vh - 34px);
    overflow-y: auto;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-lg);
  }
  
  .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .sidebar-nav__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    min-height: 44px;
  }
  
  .sidebar-nav__item:hover {
    background-color: var(--color-bg-tertiary);
  }
  
  .sidebar-nav__item--active {
    background-color: var(--color-primary);
    color: white;
  }
  
  .bottom-nav {
    display: none;
  }
  
  main {
    padding-bottom: 0;
  }
  
  .page {
    padding: var(--spacing-xl);
  }
}

/* Beslissingsmatrix (Digitale volwassenheid) */
.page--beslissingsmatrix .page-intro {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.matrix-row--charts-questions {
  margin-bottom: var(--spacing-2xl);
}

/* Grid card: gelijke stijl voor radar- en vragenlijst-container */
.matrix-charts-grid-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 320px;
}

.matrix-section--diagrams .matrix-charts-grid-card {
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.matrix-section--diagrams .matrix-charts-grid-card .matrix-diagram-box {
  background: transparent;
  border: none;
  padding: 0;
  height: auto;
  min-height: 260px;
}

@media (min-width: 900px) {
  .matrix-row--charts-questions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: stretch;
  }
  .matrix-row--charts-questions .matrix-section--diagrams,
  .matrix-row--charts-questions .matrix-section--questions {
    min-width: 0;
    width: 100%;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
  }
  .matrix-row--charts-questions .matrix-charts-grid-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 320px;
  }
  .matrix-row--charts-questions .matrix-section--diagrams .matrix-diagram-box {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
  }
  .matrix-row--charts-questions .matrix-section--diagrams .matrix-diagram-box .matrix-radar {
    width: 85%;
    height: 85%;
    max-width: 85%;
    max-height: 85%;
    min-width: 180px;
    min-height: 180px;
  }
}

.matrix-section {
  margin-bottom: var(--spacing-2xl);
}

.matrix-section h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.matrix-chart-caption {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: calc(-1 * var(--spacing-sm)) 0 var(--spacing-sm);
}

/* Vragenlijst: stap-voor-stap in één kader */
.matrix-questions-frame {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.matrix-questions-progress {
  margin-bottom: var(--spacing-md);
}

.matrix-questions-progress-bar {
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--spacing-xs);
}

.matrix-questions-progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.matrix-q-axis {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.matrix-q-text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.matrix-q-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.matrix-q-option {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.matrix-q-option:hover {
  background: var(--color-bg-tertiary);
}

.matrix-q-option input:checked + .matrix-q-option-text {
  font-weight: var(--font-weight-medium);
}

.matrix-q-option input {
  margin-top: 0.3em;
  flex-shrink: 0;
}

.matrix-q-option-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.matrix-questions-nav {
  display: flex;
  gap: var(--spacing-md);
  justify-content: space-between;
}

.matrix-questions-nav .btn {
  min-width: 120px;
}

/* Drie diagrammen naast elkaar */
.matrix-section--diagrams .matrix-diagrams-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: flex-start;
  min-height: 320px;
}

.matrix-diagram-item {
  flex: 1 1 0;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
}

.matrix-diagram-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.matrix-diagram-item .matrix-chart-caption {
  margin-bottom: var(--spacing-sm);
}

/* Gelijk formaat voor alle drie de diagrammen */
.matrix-diagram-box {
  width: 100%;
  height: 260px;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: visible;
}

/* Expliciete afmetingen zodat SVG's in flex niet tot 0 inkrimpen; flex-shrink: 0 voorkomt inkrimpen */
.matrix-diagram-box .matrix-radar,
.matrix-diagram-box .matrix-barchart,
.matrix-diagram-box .matrix-linechart {
  flex-shrink: 0;
  max-width: 100%;
  max-height: 220px;
}

.matrix-diagram-box .matrix-radar {
  width: 220px;
  height: 220px;
  overflow: visible;
}

.matrix-diagram-box .matrix-barchart {
  width: 100%;
  height: 180px;
}

.matrix-diagram-box .matrix-linechart {
  width: 100%;
  height: 140px;
}

.matrix-radar {
  width: 220px;
  height: 220px;
}

.matrix-barchart {
  width: 100%;
  height: auto;
}

.matrix-linechart {
  width: 100%;
  height: auto;
}

@media (min-width: 700px) {
  .matrix-diagram-item {
    min-width: 0;
    flex: 1 1 0;
  }
}

@media (max-width: 699px) {
  .matrix-diagrams-row {
    flex-direction: column;
  }
  .matrix-diagram-item {
    min-width: 100%;
  }
}

.matrix-barchart-label,
.matrix-linechart-label {
  fill: var(--color-text-secondary);
}

.matrix-barchart-value {
  fill: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.matrix-radar-label {
  font-size: var(--font-size-xs);
  fill: var(--color-text);
  font-weight: var(--font-weight-semibold);
  paint-order: stroke fill;
  stroke: var(--color-bg-secondary);
  stroke-width: 3px;
  stroke-linejoin: round;
}

.matrix-average-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
  width: 100%;
}

.matrix-average-wrap .matrix-average {
  margin: 0;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.matrix-average-wrap .matrix-average strong {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.matrix-average {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-base);
}

.matrix-average strong {
  color: var(--color-primary);
}

.matrix-sliders {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.matrix-slider-row {
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.matrix-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.matrix-slider-name {
  color: var(--color-text);
}

.matrix-slider-value {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  min-width: 1.5rem;
  text-align: right;
}

.matrix-slider {
  width: 100%;
  height: 8px;
  margin: var(--spacing-sm) 0;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  outline: none;
}

.matrix-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.matrix-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.matrix-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.matrix-slider-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--spacing-sm) 0 0;
  line-height: var(--line-height-relaxed);
}

.matrix-level-desc {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.matrix-layer-card {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}


.matrix-layer-header {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.matrix-layer-body {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.matrix-layer-body p {
  margin: 0 0 var(--spacing-xs);
}

.matrix-layer-body p:last-child {
  margin-bottom: 0;
}

.matrix-layer-focus strong,
.matrix-layer-list strong {
  color: var(--color-text);
}

.matrix-layer-list {
  word-break: break-word;
}

.matrix-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.matrix-table th,
.matrix-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.matrix-table thead th {
  background-color: var(--color-bg-secondary);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.matrix-table tbody th {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.matrix-table tbody tr:hover {
  background-color: var(--color-bg-secondary);
}

.matrix-table tbody tr:last-child td,
.matrix-table tbody tr:last-child th {
  border-bottom: none;
}

/* Advies en roadmap */
.matrix-section--advice .matrix-advice-block {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.matrix-advice-intro {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.matrix-advice-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.matrix-advice-text {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
}

.matrix-advice-focus {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.matrix-roadmap-heading {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

/* Visuele tijdlijn boven de fases */
.matrix-roadmap-timeline {
  position: relative;
  margin-bottom: var(--spacing-lg);
  padding: 0 var(--spacing-sm);
}

.matrix-roadmap-track {
  position: absolute;
  top: 20px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-light, var(--color-primary)));
  border-radius: var(--radius-full);
  opacity: 0.8;
}

.matrix-roadmap-nodes {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.matrix-roadmap-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 120px;
}

.matrix-roadmap-node-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.matrix-roadmap-node-period {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-align: center;
  line-height: var(--line-height-tight);
}

.matrix-roadmap-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.matrix-roadmap-phase {
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.matrix-roadmap-phase-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
}

.matrix-roadmap-phase-name {
  color: var(--color-text);
}

.matrix-roadmap-period {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-primary);
}

.matrix-roadmap-steps {
  margin: 0;
  padding-left: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.matrix-roadmap-steps li {
  margin-bottom: var(--spacing-xs);
}

.matrix-roadmap-steps li:last-child {
  margin-bottom: 0;
}

/* Interessante thema's obv scan: onder diagrammen, chips naast elkaar + inklapbare details */
.matrix-tools-chart-frame {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 50px;
}

.matrix-tools-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.matrix-tools-chart-header .matrix-tools-chart-heading {
  margin-bottom: var(--spacing-xs);
}

.matrix-tools-chart-heading {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--spacing-xs);
  color: var(--color-text);
}

.matrix-tools-chart-intro {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
}

.matrix-tools-chart-toggle {
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.matrix-tools-chart-toggle:hover {
  background: var(--color-bg-secondary);
}

.matrix-tools-chart-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.matrix-tools-chart-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.matrix-tools-chart-chip strong {
  color: var(--color-primary);
  flex-shrink: 0;
}

@media (min-width: 500px) {
  .matrix-tools-chart-chip {
    max-width: 320px;
  }
}

.matrix-tools-chart-details {
  display: none;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.matrix-tools-chart-frame--expanded .matrix-tools-chart-details {
  display: block;
}

.matrix-tools-chart-empty {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  font-style: italic;
}

.matrix-tools-chart-bars {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.matrix-tools-chart-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-height: 22px;
}

.matrix-tools-chart-label {
  flex: 0 0 140px;
  font-size: var(--font-size-xs);
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.matrix-tools-chart-bar-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  min-width: 0;
}

.matrix-tools-chart-bar {
  height: 14px;
  min-width: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  opacity: 0.85;
  transition: width var(--transition-base);
}

.matrix-tools-chart-count {
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  min-width: 1em;
  text-align: right;
}

@media (min-width: 500px) {
  .matrix-tools-chart-label {
    flex: 0 0 180px;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}