/* ======================================= */
/* SIDEBAR STYLING - GEREFACTORED          */
/* (met: light-mode contrast fix,          */
/*  collapsible menu sections,             */
/*  taalkeuze enkel op mobiel,             */
/*  en fix dat EN/FR niet worden afgeknipt)*/
/* ======================================= */

#sidebar {
  width: 260px;
  background: var(--secondary-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
  transition: width 0.3s ease;
}

/* Sidebar collapsed state (desktop) */
#sidebar.collapsed {
  width: 70px;
}

#sidebar.collapsed .text {
  display: none;
}

#sidebar.collapsed .sidebar-header h3 {
  display: none;
}

#sidebar.collapsed .menu-section {
  display: none;
}

#sidebar.collapsed .toggle-icon {
  transform: rotate(180deg);
}

/* ======================================= */
/* SIDEBAR HEADER                          */
/* ======================================= */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--link-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.sidebar-toggle:hover {
  background: var(--card-bg);
  border-color: var(--link-color);
}

.toggle-icon {
  font-size: 1.2rem;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

/* ======================================= */
/* SIDEBAR MENU                            */
/* ======================================= */
.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  overflow-y: auto;
}

.sidebar-menu li {
  margin: 0;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-menu a:hover {
  background: var(--card-bg);
  border-left-color: var(--link-color);
  color: var(--link-color);
}

.sidebar-menu a.active {
  background: var(--card-bg);
  border-left-color: var(--accent-purple);
  color: var(--accent-purple);
  font-weight: 600;
}

.sidebar-menu .icon {
  font-size: 1.2rem;
  min-width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-menu .text {
  font-size: 0.95rem;
  white-space: nowrap;
}

/* ======================================= */
/* MENU SECTIONS (collapsible)             */
/* ======================================= */
.menu-section {
  padding: 1.25rem 1.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.2px;

  /* collapsible UX */
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.menu-section::after {
  content: "▾";
  font-size: 0.9rem;
  opacity: 0.7;
  transform: translateY(-1px);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-section.is-collapsed::after {
  transform: rotate(-90deg);
  opacity: 0.9;
}

/* Items onder een section (JS voegt .section-item toe) */
.sidebar-menu .section-item {
  overflow: hidden;
  opacity: 1;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  max-height: 500px; /* groot genoeg zodat taalkeuze (3 links) niet afknipt */
}

.sidebar-menu .section-item.is-hidden {
  max-height: 0;
  opacity: 0;
}

/* Als sidebar volledig collapsed is, geen pijltjes tonen */
#sidebar.collapsed .menu-section::after {
  display: none;
}

/* ======================================= */
/* SIDEBAR FOOTER                          */
/* ======================================= */
.sidebar-footer {
  border-top: 1px solid var(--border-color);
  padding: 1rem 0;
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.sidebar-footer a:hover {
  background: var(--card-bg);
  color: var(--link-color);
}

/* ======================================= */
/* LANGUAGE SELECTOR (alleen mobiel)       */
/* ======================================= */
/* Desktop default: verbergen */
.menu-section-mobile,
.language-selector-mobile {
  display: none;
}

/* Language links styling */
.language-selector-mobile a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.language-selector-mobile a:hover {
  background: var(--card-bg);
  border-left-color: var(--link-color);
  color: var(--link-color);
}

.language-selector-mobile a.active {
  background: var(--card-bg);
  border-left-color: var(--accent-purple);
  color: var(--accent-purple);
  font-weight: 600;
}

.language-selector-mobile .icon {
  font-size: 1.2rem;
  min-width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.language-selector-mobile .text {
  font-size: 0.95rem;
  white-space: nowrap;
}

/* ======================================= */
/* SIDEBAR OVERLAY (mobiel)                */
/* ======================================= */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 98;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
  display: block;
}

/* ======================================= */
/* RESPONSIVE - MOBIEL                     */
/* ======================================= */
@media (max-width: 768px) {
  #sidebar {
    position: fixed;
    top: 56px; /* Hoogte van header op mobiel */
    left: -260px; /* Verborgen */
    bottom: 0;
    width: 260px;
    z-index: 99;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
  }

  #sidebar.open {
    left: 0;
  }

  /* Verberg collapse toggle op mobiel */
  .sidebar-toggle {
    display: none;
  }

  /* Sidebar header aanpassing */
  .sidebar-header {
    padding: 1rem 1.25rem;
  }

  /* Toon taalwisseling in sidebar op mobiel */
  .menu-section-mobile,
  .language-selector-mobile {
    display: block;
  }

  /* Extra zekerheid: taalkeuze niet afknippen */
  .sidebar-menu li.language-selector-mobile.section-item {
    max-height: 220px; /* genoeg voor 3 talen */
  }
}

/* Specifieke fix voor tools pagina scroll */
@media (max-width: 768px) {
  body {
    padding-top: 0;
  }

  .container {
    padding-top: 0;
    margin-top: 0;
  }

  main {
    padding-top: 1rem;
  }
}

@media (max-width: 480px) {
  #sidebar {
    width: 240px;
    left: -240px;
    top: 54px;
  }

  .sidebar-menu a,
  .sidebar-footer a,
  .language-selector-mobile a {
    padding: 0.75rem 1rem;
  }

  .menu-section {
    padding: 1rem 1rem 0.5rem;
  }
}

/* ======================================= */
/* LIGHT MODE: sidebar hover/active contrast */
/* ======================================= */
:root.light-mode #sidebar {
  background: var(--secondary-bg);
  border-right-color: var(--border-color);
}

/* Hover: duidelijke achtergrond + subtiele border-left */
:root.light-mode .sidebar-menu a:hover,
:root.light-mode .language-selector-mobile a:hover,
:root.light-mode .sidebar-footer a:hover {
  background: #f6f8fa;
  border-left-color: var(--link-color);
  color: var(--link-color);
}

/* Active/selected: nog sterker contrast */
:root.light-mode .sidebar-menu a.active,
:root.light-mode .language-selector-mobile a.active {
  background: #eef2f6;
  border-left-color: var(--accent-purple);
  color: var(--accent-purple);
  font-weight: 700;
}

/* Icon mee laten kleuren */
:root.light-mode .sidebar-menu a:hover .icon,
:root.light-mode .sidebar-menu a.active .icon,
:root.light-mode .language-selector-mobile a:hover .icon,
:root.light-mode .language-selector-mobile a.active .icon,
:root.light-mode .sidebar-footer a:hover .icon {
  color: currentColor;
}

/* Footer link default iets donkerder voor leesbaarheid */
:root.light-mode .sidebar-footer a {
  color: #57606a;
}

/* Toggle knop ook wat meer contrast */
:root.light-mode .sidebar-toggle:hover {
  background: #f6f8fa;
  border-color: var(--link-color);
}