/* ==========================================================================
   Fun met Elektronica - Stijlblad (Fase 3: Dynamisch Platform & Admin CMS)
   Volledig responsive voor mobiel, tablet en desktop.
   ========================================================================== */

:root {
  --primary: #0066a2;
  --primary-dark: #004b78;
  --primary-light: #e6f3fa;
  --arduino-teal: #00878f;
  --arduino-teal-dark: #005f66;
  --arduino-teal-light: #e4f5f6;
  --accent: #e86f00;
  --accent-hover: #c95e00;
  --accent-light: #fff4e8;
  --success: #1b8a4b;
  --success-light: #e8f7ee;
  --danger: #b91c1c;
  --danger-light: #fef2f2;
  --bg-page: #f6f8fb;
  --bg-card: #ffffff;
  --text-main: #1a2530;
  --text-muted: #4e5d6c;
  --border-color: #d8e1eb;
  --shadow-sm: 0 2px 6px rgba(15, 35, 55, 0.06);
  --shadow-md: 0 6px 18px rgba(15, 35, 55, 0.09);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   Top Info Bar (Wegklikbaar + verborgen op mobiel)
   ========================================================================== */
.top-bar {
  background-color: var(--primary-dark);
  color: #ffffff;
  font-size: 0.84rem;
  padding: 0.45rem 0;
}

.top-bar.hidden-bar {
  display: none !important;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar a {
  color: #ffffff;
  text-decoration: underline;
  font-weight: 500;
}

.top-bar-badges {
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
}

.top-bar-close {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  border-radius: 4px;
  padding: 0.1rem 0.45rem;
  font-size: 0.78rem;
  cursor: pointer;
  margin-left: 0.65rem;
  font-family: inherit;
}

.top-bar-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Main Header & Responsive Navigation
   ========================================================================== */
.site-header {
  background-color: var(--bg-card);
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-main);
}

.brand-logo {
  height: 50px;
  width: auto;
  border-radius: 4px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.mobile-menu-toggle {
  display: none;
  background: var(--bg-page);
  border: 2px solid var(--border-color);
  color: var(--primary-dark);
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  font-family: inherit;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.nav-link {
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
  transition: background-color 0.15s, color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.nav-link.active {
  background-color: var(--primary);
  color: #ffffff;
}

.nav-link-lessons {
  border: 1.5px solid var(--arduino-teal);
  color: var(--arduino-teal-dark);
}

.nav-link-lessons:hover,
.nav-link-lessons.active {
  background-color: var(--arduino-teal);
  color: #ffffff;
}

/* Aanvraaglijst knop: standaard verborgen totdat er minimaal 1 item in zit */
.nav-quote-btn {
  background-color: var(--accent);
  color: #ffffff !important;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  display: none;
  align-items: center;
  gap: 0.45rem;
  box-shadow: 0 2px 6px rgba(232, 111, 0, 0.25);
}

.nav-quote-btn.has-items {
  display: inline-flex;
}

.nav-quote-btn:hover {
  background-color: var(--accent-hover);
}

.quote-count-badge {
  background-color: #ffffff;
  color: var(--accent-hover);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.08rem 0.45rem;
  border-radius: 999px;
  min-width: 1.35rem;
  text-align: center;
}

/* ==========================================================================
   Info-hover / Popover: Waarom een bestellijst i.p.v. webshop?
   ========================================================================== */
.why-orderlist-banner {
  background: #ffffff;
  border: 1.5px solid #b8d4ea;
  border-left: 5px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.info-tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.info-tooltip-trigger {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid #9ec5e6;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: inherit;
}

.info-tooltip-box {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 340px;
  max-width: 90vw;
  background: #132332;
  color: #ffffff;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.5;
  box-shadow: var(--shadow-md);
  z-index: 80;
}

.info-tooltip-wrap:hover .info-tooltip-box,
.info-tooltip-wrap:focus-within .info-tooltip-box,
.info-tooltip-wrap.open .info-tooltip-box {
  display: block;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s ease;
  text-align: center;
  font-family: inherit;
}

.btn-primary { background-color: var(--primary); color: #ffffff; }
.btn-primary:hover { background-color: var(--primary-dark); color: #ffffff; }

.btn-arduino { background-color: var(--arduino-teal); color: #ffffff; }
.btn-arduino:hover { background-color: var(--arduino-teal-dark); color: #ffffff; }

.btn-accent { background-color: var(--accent); color: #ffffff; }
.btn-accent:hover { background-color: var(--accent-hover); color: #ffffff; }

.btn-danger { background-color: var(--danger); color: #ffffff; }
.btn-danger:hover { background-color: #991b1b; color: #ffffff; }

.btn-outline {
  background-color: #ffffff;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.84rem;
}

.sku-badge {
  display: inline-block;
  background-color: #eef2f6;
  color: #334155;
  border: 1px solid #cbd5e1;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.tag-badge {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tag-school { background-color: var(--primary-light); color: var(--primary-dark); }
.tag-training { background-color: var(--arduino-teal-light); color: var(--arduino-teal-dark); }
.tag-cansat { background-color: var(--accent-light); color: var(--accent-hover); }

/* ==========================================================================
   Hero & Section Headers
   ========================================================================== */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, #e6f3fa 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2.25rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  background-color: var(--arduino-teal-light);
  color: var(--arduino-teal-dark);
  font-weight: 700;
  font-size: 0.84rem;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: 2.1rem;
  line-height: 1.22;
  color: var(--primary-dark);
  margin-bottom: 0.9rem;
}

.hero p.lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.35rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.hero-visual-card img {
  max-height: 250px;
  margin: 0 auto 0.75rem;
  object-fit: contain;
}

.hero-visual-caption {
  font-size: 0.88rem;
  color: var(--text-muted);
  background: var(--bg-page);
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
}

.pillars-section {
  padding: 2.5rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.section-header h2 {
  font-size: 1.6rem;
  color: var(--primary-dark);
}

.section-header p {
  color: var(--text-muted);
  max-width: 740px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

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

.pillar-icon {
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
}

.pillar-card h3 {
  font-size: 1.12rem;
  margin-bottom: 0.45rem;
  color: var(--primary-dark);
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ==========================================================================
   Product & Package Cards (Verbeterde niet-overlappende badge-layout!)
   ========================================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.35rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, border-color 0.15s;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #b4c6d8;
}

.product-card-img-wrap {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  height: 195px;
  padding: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-img-wrap img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  cursor: zoom-in;
}

/* Badges staan nu netjes in de kaart-body i.p.v. over de afbeelding */
.product-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.55rem;
}

.product-card-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.45rem;
  line-height: 1.35;
}

.product-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex: 1;
}

.package-contents-details {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
  margin-bottom: 0.95rem;
  font-size: 0.85rem;
}

.package-contents-details summary {
  font-weight: 700;
  color: var(--primary-dark);
  cursor: pointer;
}

.package-contents-details ul,
.package-contents-details div {
  margin-top: 0.5rem;
  padding-left: 1rem;
}

.product-card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.price-block {
  display: flex;
  flex-direction: column;
}

.price-amount {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.price-request {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--arduino-teal-dark);
  background: var(--arduino-teal-light);
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
}

.price-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Compact Components Table (componenten.php)
   ========================================================================== */
.components-toolbar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  margin-bottom: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  justify-content: space-between;
}

.search-input-wrap {
  flex: 1;
  min-width: 240px;
}

.search-input {
  width: 100%;
  padding: 0.6rem 0.9rem;
  font-size: 0.94rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
}

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

.category-pills {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.cat-pill {
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-page);
  color: var(--text-main);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.cat-pill.active,
.cat-pill:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.components-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.components-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.components-table th {
  background: #eef3f8;
  color: var(--primary-dark);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.75rem 0.9rem;
  border-bottom: 2px solid var(--border-color);
}

.components-table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.components-table tr:hover {
  background-color: #f9fbfd;
}

.comp-thumb {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 3px;
  cursor: zoom-in;
}

.comp-title {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
}

.comp-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.variant-select {
  padding: 0.4rem 0.6rem;
  border: 2px solid #b8c7d9;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  background-color: #ffffff;
  color: var(--text-main);
  max-width: 100%;
  min-width: 190px;
  font-family: inherit;
}

.qty-input {
  width: 64px;
  padding: 0.38rem 0.45rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.92rem;
  text-align: center;
  font-weight: 600;
}

/* ==========================================================================
   Trainings & Lessons Environment (lessen.php)
   ========================================================================== */
.course-switcher-bar {
  background: var(--arduino-teal-dark);
  color: #ffffff;
  padding: 0.6rem 0;
}

.course-switcher-inner {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.course-switcher-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.35rem;
  opacity: 0.9;
}

.course-tab {
  padding: 0.38rem 0.8rem;
  border-radius: 6px;
  color: #e0f4f5;
  font-weight: 600;
  font-size: 0.88rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-block;
}

.course-tab:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.course-tab.active {
  background: #ffffff;
  color: var(--arduino-teal-dark);
  font-weight: 800;
}

.mobile-sidebar-toggle {
  display: none;
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.7rem 1rem;
  background: var(--arduino-teal);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: inherit;
}

.lesson-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.75rem;
  padding: 1.75rem 0 3rem;
  align-items: start;
}

.lesson-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 82px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.sidebar-course-header {
  background: var(--arduino-teal);
  color: #ffffff;
  padding: 0.95rem 1.1rem;
}

.sidebar-course-header h2 {
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.sidebar-course-header p {
  font-size: 0.78rem;
  opacity: 0.92;
}

.sidebar-module {
  border-bottom: 1px solid var(--border-color);
}

.sidebar-module-title {
  width: 100%;
  background: #f1f5f9;
  border: none;
  padding: 0.65rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}

.sidebar-lesson-list {
  list-style: none;
  padding: 0.3rem 0;
}

.sidebar-lesson-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-left: 4px solid transparent;
  padding: 0.45rem 0.95rem 0.45rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  font-family: inherit;
  transition: background-color 0.12s;
}

.sidebar-lesson-btn:hover {
  background-color: var(--arduino-teal-light);
  color: var(--arduino-teal-dark);
}

.sidebar-lesson-btn.active {
  background-color: var(--arduino-teal-light);
  border-left-color: var(--arduino-teal);
  color: var(--arduino-teal-dark);
  font-weight: 700;
}

.sidebar-package-box {
  margin: 0.85rem;
  padding: 0.8rem;
  background: var(--accent-light);
  border: 1px solid #f7c997;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}

.sidebar-package-box h4 {
  color: var(--accent-hover);
  margin-bottom: 0.25rem;
  font-size: 0.88rem;
}

/* Lesson Content Area - Responsive Images & Tables */
.lesson-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  min-width: 0; /* voorkomt overflow in CSS grid */
}

.lesson-breadcrumb {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.lesson-header {
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.35rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.lesson-header h1 {
  font-size: 1.75rem;
  color: var(--primary-dark);
  line-height: 1.25;
}

.lesson-body {
  overflow-wrap: break-word;
}

.lesson-body h2 {
  font-size: 1.3rem;
  color: var(--primary-dark);
  margin: 1.5rem 0 0.65rem;
}

.lesson-body h3 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin: 1.15rem 0 0.45rem;
}

.lesson-body p {
  margin-bottom: 0.95rem;
}

.lesson-body ul,
.lesson-body ol {
  padding-left: 1.35rem;
  margin-bottom: 1rem;
}

.lesson-body img {
  max-width: 100% !important;
  height: auto !important;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin: 1rem auto;
  padding: 0.4rem;
  background: #ffffff;
  cursor: zoom-in;
}

.lesson-body hr {
  margin: 1.75rem 0;
  border: none;
  border-top: 1px solid var(--border-color);
}

.lesson-prev-next {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 0.85rem;
  margin-top: 2rem;
  padding-top: 1.35rem;
  border-top: 2px solid var(--border-color);
  flex-wrap: wrap;
}

.prev-next-btn {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1.1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  color: var(--text-main);
  cursor: pointer;
  flex: 1;
  min-width: 200px;
  transition: all 0.15s;
  font-family: inherit;
  text-align: left;
}

.prev-next-btn:hover:not(:disabled) {
  border-color: var(--arduino-teal);
  background: var(--arduino-teal-light);
}

.prev-next-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.prev-next-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

.prev-next-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-dark);
}

/* ==========================================================================
   Arduino IDE (.ino) Code Block Styling
   ========================================================================== */
.arduino-ide-window {
  border: 2px solid var(--arduino-teal);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 1.35rem 0;
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.arduino-ide-topbar {
  background: var(--arduino-teal);
  color: #ffffff;
  padding: 0.5rem 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.arduino-ide-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: #ffffff;
  color: var(--arduino-teal-dark);
  padding: 0.25rem 0.75rem;
  border-radius: 6px 6px 0 0;
  font-family: "Consolas", "Monaco", monospace;
  font-weight: 700;
  font-size: 0.86rem;
}

.arduino-ide-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.arduino-ide-btn {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 5px;
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.arduino-ide-btn:hover {
  background: rgba(255, 255, 255, 0.32);
}

.arduino-ide-subbar {
  background: #005f66;
  color: #d1f2f4;
  font-size: 0.74rem;
  padding: 0.22rem 0.9rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.arduino-code-pre {
  margin: 0;
  padding: 1rem 1.1rem;
  background: #fdfdfd;
  overflow-x: auto;
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  color: #222;
}

.ino-comment { color: #7f8c8d; font-style: italic; }
.ino-keyword { color: #d35400; font-weight: 700; }
.ino-type    { color: #00878f; font-weight: 700; }
.ino-const   { color: #0066a2; font-weight: 700; }

/* ==========================================================================
   Password Gate (Docentenhandleiding)
   ========================================================================== */
.password-gate-card {
  background: #fffdf9;
  border: 2px solid #f5c28b;
  border-radius: var(--radius-md);
  padding: 1.75rem;
  max-width: 540px;
  margin: 1rem auto;
  text-align: center;
}

.password-input-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   Quote / Order Request Form Section (bestellijst.php)
   ========================================================================== */
.quote-section {
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1.75rem;
  margin-top: 1.15rem;
}

.quote-items-box {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.quote-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.form-group {
  margin-bottom: 0.9rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
}

.form-control {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border: 1px solid #b8c7d9;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.94rem;
}

/* ==========================================================================
   Admin CMS Styling (Ouder-vriendelijk Beheerpaneel)
   ========================================================================== */
.admin-tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.admin-tile-btn {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.admin-tile-btn:hover,
.admin-tile-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.admin-tile-btn h3 {
  font-size: 1.05rem;
  color: var(--primary-dark);
  margin: 0.35rem 0 0.2rem;
}

.admin-tile-btn p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.wysiwyg-toolbar {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  background: #eef3f8;
  border: 1px solid #b8c7d9;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  padding: 0.45rem;
}

.wysiwyg-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.wysiwyg-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.wysiwyg-editor {
  min-height: 240px;
  max-height: 480px;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid #b8c7d9;
  border-radius: 0 0 6px 6px;
  padding: 0.85rem;
  font-size: 0.94rem;
}

.wysiwyg-editor:focus {
  outline: 2px solid var(--primary);
}

.status-pill-publish {
  background: var(--success-light);
  color: var(--success);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}

.status-pill-private {
  background: #f1f5f9;
  color: #64748b;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}

/* ==========================================================================
   GDPR / AVG Cookie & Privacy Melding
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 920px;
  margin: 0 auto;
  background: #132332;
  color: #ffffff;
  padding: 1rem 1.35rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 900;
  flex-wrap: wrap;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.cookie-banner.show {
  display: flex;
}

.cookie-banner p {
  font-size: 0.85rem;
  color: #e2e8f0;
  flex: 1;
  min-width: 240px;
}

.cookie-banner a {
  color: #7dd3fc;
  text-decoration: underline;
}

/* ==========================================================================
   Footer, Lightbox & Toast
   ========================================================================== */
.site-footer {
  background: #132332;
  color: #dbe4ed;
  padding: 2.5rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}

.site-footer h3 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 0.65rem;
}

.site-footer ul {
  list-style: none;
}

.site-footer li {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: #b8cde0;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1.15rem;
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 30, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1rem;
}

.lightbox-overlay.open {
  display: flex;
}

.lightbox-overlay img {
  max-width: 94vw;
  max-height: 88vh;
  background: #ffffff;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.toast-msg {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--success);
  color: #ffffff;
  padding: 0.8rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  transform: translateY(180%);
  transition: transform 0.25s ease;
  z-index: 950;
}

.toast-msg.show {
  transform: translateY(0);
}

/* ==========================================================================
   Responsive Media Queries (Tablet & Mobiel)
   ========================================================================== */
@media (max-width: 980px) {
  .hero-grid,
  .lesson-layout,
  .quote-grid {
    grid-template-columns: 1fr;
  }

  .pillars-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mobile-sidebar-toggle {
    display: block;
  }

  .lesson-sidebar {
    position: static;
    max-height: none;
    display: none;
  }

  .lesson-sidebar.mobile-open {
    display: block;
  }
}

@media (max-width: 760px) {
  html {
    font-size: 16px;
  }

  /* Verberg de bovenste infobalk op mobiel zoals gevraagd */
  .top-bar {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 0.65rem;
    border-top: 1px solid var(--border-color);
  }

  .main-nav.mobile-open {
    display: flex;
  }

  .nav-link,
  .nav-quote-btn.has-items {
    width: 100%;
    justify-content: flex-start;
    padding: 0.65rem 0.85rem;
  }

  .hero {
    padding: 1.75rem 0;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .pillars-grid,
  .footer-grid,
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .lesson-content-card {
    padding: 1.25rem;
  }

  .lesson-header h1 {
    font-size: 1.45rem;
  }
}

/* ==========================================================================
   Fase 4 Toevoegingen: Lesson Figures, Sortable Admin Columns & Editor Images
   ========================================================================== */
.lesson-figure {
  margin: 1.25rem auto;
  text-align: center;
  max-width: 100%;
}

.lesson-figure img {
  margin: 0 auto 0.45rem;
}

.lesson-figure figcaption {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.sortable-th {
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s, color 0.15s;
}

.sortable-th:hover {
  background-color: var(--primary-light) !important;
  color: var(--primary-dark) !important;
}

.sku-badge-compact {
  max-width: 130px;
  white-space: normal !important;
  word-break: break-word;
  display: inline-block;
  line-height: 1.25;
}

.wysiwyg-editor img {
  max-width: 380px;
  height: auto;
  border-radius: 6px;
  border: 2px solid var(--border-color);
  margin: 0.5rem 0;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.wysiwyg-editor img:hover {
  border-color: var(--primary);
}

.wysiwyg-editor img.selected-editor-img {
  border: 3px solid var(--danger) !important;
  box-shadow: 0 0 0 4px rgba(185, 28, 28, 0.2);
}