/**
 * Navigation Styles
 * Following Netwerk Digitaal Erfgoed (NDE) house style
 * 
 * NDE Brand Colors:
 * - Primary Blue: #0a3dfa (NDE brand blue)
 * - Dark Blue: #172a59 (text color)
 * - Orange Accent: #fa5200 (highlight)
 * - Light Background: #f6f6f6
 * 
 * NDE Fonts:
 * - Headings: Poppins (500, 600)
 * - Body: Roboto (400, 500)
 */

/* Import NDE fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&family=Roboto:wght@400;500;700&display=swap');

/* CSS Variables for header height - used by page layouts */
:root {
  --nav-height: 100px;
  --nav-height-tablet: 60px;
  --nav-height-mobile: 56px;
}

/* When header is collapsed, content should fill the entire viewport */
.navigation--collapsed ~ .layout-content,
.navigation--collapsed ~ #layout-content {
  --nav-height: 0px;
}

.navigation {
  background: white;
  border-bottom: 1px solid rgba(23, 42, 89, 0.1); /* Lighter NDE border */
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%; /* CRITICAL: Full width fix */
  overflow: visible; /* Allow dropdowns to extend beyond nav */
  /* Smooth transition - no flickering */
  transition: background 0.35s ease-out,
              border-bottom-color 0.35s ease-out;
  will-change: background, border-bottom-color;
}

/* Collapsed state - minimal header on scroll */
.navigation--collapsed {
  background: transparent;
  border-bottom-color: transparent;
  pointer-events: none; /* Allow clicking through the header */
}

/* Nav container handles height transition separately */
.nav-container {
  /* Match NDE.nl exact spacing */
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 3rem;
  height: 100px;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  /* overflow: hidden removed - was cutting off dropdown menus */
  /* Smooth height transition */
  transition: height 0.35s ease-out,
              padding 0.35s ease-out,
              opacity 0.25s ease-out;
  will-change: height, padding;
}

.navigation--collapsed .nav-container {
  height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

/* Floating logo - transparent background with subtle white contour */
.navigation--collapsed .nav-brand {
  pointer-events: auto; /* Logo is still clickable */
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1001;
  background: transparent;
  padding: 0;
  margin: 0;
  gap: 0;
  border-radius: 0;
  box-shadow: none;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.navigation--collapsed .nav-brand:hover {
  transform: scale(1.08);
}

.navigation--collapsed .nav-logo {
  width: 36px;
  height: 36px;
  display: block;
  /* Subtle white contour/glow effect */
  filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.9))
          drop-shadow(0 0 4px rgba(255, 255, 255, 0.7));
  transition: filter 0.2s ease;
}

.navigation--collapsed .nav-brand:hover .nav-logo {
  filter: drop-shadow(0 0 3px rgba(255, 255, 255, 1))
          drop-shadow(0 0 6px rgba(255, 255, 255, 0.8));
}

/* Hide title in collapsed logo - fade out smoothly */
.navigation--collapsed .nav-title {
  opacity: 0;
  visibility: hidden;
  width: 0;
  overflow: hidden;
}

/* Fade out other elements smoothly instead of display:none */
.navigation .nav-links,
.navigation .nav-lang-toggle,
.navigation .nav-theme-toggle,
.navigation .nav-backend-indicator,
.navigation .nav-user,
.navigation .nav-mobile-toggle {
  transition: opacity 0.2s ease-out, visibility 0.2s ease-out;
}

.navigation--collapsed .nav-links,
.navigation--collapsed .nav-lang-toggle,
.navigation--collapsed .nav-theme-toggle,
.navigation--collapsed .nav-backend-indicator,
.navigation--collapsed .nav-user,
.navigation--collapsed .nav-mobile-toggle {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Mobile menu stays display:none to avoid layout issues */
.navigation--collapsed .nav-mobile-menu {
  display: none;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #172a59; /* NDE dark blue */
  font-family: 'Poppins', Helvetica, Arial, sans-serif;
  font-weight: 400;
  margin-right: 2.5rem;
  flex-shrink: 0;
  /* Smooth transitions for collapse animation */
  transition: transform 0.35s ease-out,
              filter 0.35s ease-out,
              opacity 0.2s ease-out;
}

.nav-brand:hover {
  opacity: 0.8;
}

/* NDE Logo */
.nav-logo {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  display: block;
  overflow: visible;
  /* Smooth size and filter transitions */
  transition: width 0.35s ease-out,
              height 0.35s ease-out,
              filter 0.35s ease-out;
}

/* Single-line title matching NDE */
.nav-title {
  font-size: 16px;
  font-weight: 400;
  color: #172a59;
  white-space: nowrap;
  /* Smooth fade out */
  transition: opacity 0.2s ease-out,
              font-size 0.35s ease-out;
}

.nav-links {
  display: flex;
  gap: 1.25rem; /* Reduced from 2rem for better fit on big monitors */
  flex-shrink: 0; /* Don't shrink nav links */
  margin-right: 2rem; /* Reduced from 3rem */
}

/* Language Toggle */
.nav-lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: transparent;
  border: 1px solid rgba(23, 42, 89, 0.2);
  border-radius: 4px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-size: 13px;
  color: #172a59;
  transition: all 0.2s ease;
  flex-shrink: 0; /* Don't shrink language toggle */
}

/* Desktop language toggle - push to right side */
.nav-lang-toggle--desktop {
  margin-left: auto; /* Push to the right */
}

.nav-lang-toggle:hover {
  border-color: #0a3dfa;
  background: rgba(10, 61, 250, 0.05);
}

.lang-active {
  color: #0a3dfa;
  font-weight: 600;
}

.lang-inactive {
  color: #9ca3af;
  font-weight: 400;
}

.lang-separator {
  color: rgba(23, 42, 89, 0.3);
  font-weight: 300;
}

/* Theme Toggle */
.nav-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: transparent;
  border: 1px solid rgba(23, 42, 89, 0.2);
  border-radius: 4px;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.nav-theme-toggle--desktop {
  margin-left: 0.5rem;
}

.nav-theme-toggle:hover {
  border-color: #0a3dfa;
  background: rgba(10, 61, 250, 0.05);
}

.theme-icon {
  line-height: 1;
}

.theme-auto-badge {
  position: absolute;
  bottom: -2px;
  right: -2px;
  font-size: 8px;
  font-weight: 700;
  color: white;
  background: #0a3dfa;
  border-radius: 2px;
  padding: 1px 3px;
  line-height: 1;
}

/* Data Backend Indicator */
.nav-backend-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: transparent;
  border: 1px solid rgba(23, 42, 89, 0.2);
  border-radius: 4px;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.nav-backend-indicator--desktop {
  margin-left: 0.5rem;
}

.nav-backend-indicator:hover {
  border-color: #0a3dfa;
  background: rgba(10, 61, 250, 0.05);
}

.backend-icon {
  font-size: 14px;
  line-height: 1;
}

.backend-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(23, 42, 89, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* User Account Dropdown */
.nav-user {
  position: relative;
  margin-left: 1rem; /* Reduced from 1.5rem */
  flex-shrink: 0; /* Don't shrink user button */
}

.nav-user-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(23, 42, 89, 0.2);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #172a59;
  transition: all 0.2s ease;
}

.nav-user-btn:hover {
  background: rgba(10, 61, 250, 0.05);
  border-color: #0a3dfa;
}

.nav-user-icon {
  font-size: 16px;
}

.nav-user-name {
  font-weight: 500;
}

.nav-user-chevron {
  font-size: 10px;
  color: #6b7280;
}

.nav-user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: white;
  border: 1px solid rgba(23, 42, 89, 0.15);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 160px;
  z-index: 1001;
  overflow: hidden;
}

.nav-user-info {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(23, 42, 89, 0.1);
  background: #f6f6f6;
}

.nav-user-role {
  font-size: 12px;
  color: #6b7280;
  text-transform: capitalize;
}

.nav-user-logout {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  text-align: left;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #172a59;
  cursor: pointer;
  transition: background 0.2s ease;
}

.nav-user-logout:hover {
  background: rgba(250, 82, 0, 0.1);
  color: #fa5200;
}

.nav-link {
  padding: 0.5rem 0; /* Minimal vertical padding like NDE */
  text-decoration: none;
  color: #172a59; /* NDE dark blue, not semi-transparent */
  font-family: 'Roboto', Helvetica, Arial, sans-serif; /* Body font for nav */
  font-weight: 400;
  font-size: 16px; /* Match NDE exactly - relatively small */
  transition: all 0.2s ease-in-out;
  position: relative;
}

.nav-link:hover {
  color: #0a3dfa; /* NDE blue on hover */
}

.nav-link.active {
  color: #0a3dfa; /* NDE primary blue */
  font-weight: 400; /* Keep same weight */
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px; /* Subtle underline */
  background: #0a3dfa; /* NDE primary blue */
}

/* Dropdown Menu Styles */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #172a59;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-weight: 400;
  font-size: 16px;
  transition: all 0.2s ease-in-out;
}

.nav-dropdown-trigger:hover {
  color: #0a3dfa;
}

.nav-dropdown-trigger.active {
  color: #0a3dfa;
}

.nav-dropdown-chevron {
  font-size: 10px;
  color: #6b7280;
  transition: transform 0.2s ease;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: white;
  border: 1px solid rgba(23, 42, 89, 0.15);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 160px;
  z-index: 1001;
  overflow: hidden;
}

.nav-dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: #172a59;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 400;
  transition: all 0.2s ease;
  border-bottom: 1px solid rgba(23, 42, 89, 0.08);
}

.nav-dropdown-item:last-child {
  border-bottom: none;
}

.nav-dropdown-item:hover {
  background: rgba(10, 61, 250, 0.05);
  color: #0a3dfa;
}

.nav-dropdown-item.active {
  background: rgba(10, 61, 250, 0.1);
  color: #0a3dfa;
  font-weight: 500;
}

/* Mobile Section Styles */
.nav-mobile-section {
  border-bottom: 1px solid rgba(23, 42, 89, 0.1);
}

.nav-mobile-section:last-child {
  border-bottom: none;
}

.nav-mobile-section-title {
  padding: 1rem 1.5rem 0.5rem;
  font-family: 'Poppins', Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Mobile Hamburger Menu Toggle */
.nav-mobile-toggle {
  display: none; /* Hidden on desktop */
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  z-index: 1001;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #172a59;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.nav-mobile-menu {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 60px; /* Below nav header */
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  z-index: 999;
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.nav-mobile-menu.open {
  transform: translateX(0);
}

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
}

.nav-mobile-link {
  display: block;
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: #172a59;
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  border-bottom: 1px solid rgba(23, 42, 89, 0.1);
  transition: all 0.2s ease;
}

.nav-mobile-link:hover,
.nav-mobile-link.active {
  background: rgba(10, 61, 250, 0.05);
  color: #0a3dfa;
}

.nav-mobile-link.active {
  font-weight: 500;
  border-left: 3px solid #0a3dfa;
}

.nav-mobile-footer {
  margin-top: auto;
  padding: 1.5rem;
  border-top: 1px solid rgba(23, 42, 89, 0.1);
  background: #f6f6f6;
}

.nav-mobile-toggles {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-mobile-user {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(23, 42, 89, 0.1);
}

.nav-mobile-user .nav-user-role {
  color: #6b7280;
  font-size: 0.875rem;
}

.nav-mobile-logout {
  margin-left: auto;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid #fa5200;
  border-radius: 4px;
  color: #fa5200;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-mobile-logout:hover {
  background: #fa5200;
  color: white;
}

/* Responsive Design */

/* Extra-large screens - ensure consistent margins */
@media (min-width: 1920px) {
  .nav-container {
    padding: 0 4rem; /* Slightly larger padding on ultra-wide */
  }
}

@media (max-width: 1024px) {
  .nav-container {
    padding: 0 2rem;
    height: 80px;
  }

  .navigation--collapsed .nav-container {
    height: 48px;
    padding: 0 1rem;
  }

  .nav-links {
    gap: 1.5rem;
  }
}

/* Tablet and Mobile - Show hamburger menu */
@media (max-width: 900px) {
  .nav-container {
    height: 60px;
    padding: 0 1rem;
  }

  /* Collapsed state on mobile - same minimal behavior */
  .navigation--collapsed .nav-container {
    height: 48px;
    padding: 0 0.75rem;
  }

  .navigation--collapsed .nav-logo {
    width: 28px;
    height: 28px;
  }

  .navigation--collapsed .nav-brand {
    padding: 0;
    border-radius: 0;
  }

  .nav-brand {
    margin-right: auto;
  }

  .nav-logo {
    width: 40px;
    height: 40px;
  }

  .nav-title {
    font-size: 15px;
  }

  /* Hide desktop navigation */
  .nav-links {
    display: none;
  }

  .nav-lang-toggle--desktop {
    display: none;
  }

  .nav-theme-toggle--desktop {
    display: none;
  }

  .nav-backend-indicator--desktop {
    display: none;
  }

  .nav-user--desktop {
    display: none;
  }

  /* Show mobile hamburger */
  .nav-mobile-toggle {
    display: flex;
  }

  /* Show mobile menu */
  .nav-mobile-menu {
    display: flex;
  }
}

@media (max-width: 480px) {
  .nav-container {
    height: 56px;
    padding: 0 0.75rem;
  }

  .nav-logo {
    width: 36px;
    height: 36px;
  }

  .nav-title {
    font-size: 14px;
  }

  .nav-mobile-link {
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
  }
}

/* Dark mode styles */
[data-theme="dark"] .navigation {
  background: #1e293b;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .navigation--collapsed {
  background: transparent;
  border-bottom-color: transparent;
}

[data-theme="dark"] .navigation--collapsed .nav-brand {
  background: transparent;
  box-shadow: none;
}

/* Dark mode: use darker contour for logo visibility */
[data-theme="dark"] .navigation--collapsed .nav-logo {
  filter: drop-shadow(0 0 2px rgba(30, 41, 59, 0.9))
          drop-shadow(0 0 4px rgba(30, 41, 59, 0.7));
}

[data-theme="dark"] .navigation--collapsed .nav-brand:hover .nav-logo {
  filter: drop-shadow(0 0 3px rgba(30, 41, 59, 1))
          drop-shadow(0 0 6px rgba(30, 41, 59, 0.8));
}

[data-theme="dark"] .nav-brand,
[data-theme="dark"] .nav-title {
  color: #f1f5f9;
}

[data-theme="dark"] .nav-link {
  color: #e2e8f0;
}

[data-theme="dark"] .nav-link:hover {
  color: #60a5fa;
}

[data-theme="dark"] .nav-link.active {
  color: #60a5fa;
}

[data-theme="dark"] .nav-link.active::after {
  background: #60a5fa;
}

[data-theme="dark"] .nav-lang-toggle,
[data-theme="dark"] .nav-theme-toggle,
[data-theme="dark"] .nav-backend-indicator {
  border-color: rgba(255, 255, 255, 0.2);
  color: #e2e8f0;
}

[data-theme="dark"] .nav-lang-toggle:hover,
[data-theme="dark"] .nav-theme-toggle:hover,
[data-theme="dark"] .nav-backend-indicator:hover {
  border-color: #60a5fa;
  background: rgba(96, 165, 250, 0.1);
}

[data-theme="dark"] .backend-label {
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .lang-active {
  color: #60a5fa;
}

[data-theme="dark"] .lang-inactive {
  color: #64748b;
}

[data-theme="dark"] .nav-user-btn {
  border-color: rgba(255, 255, 255, 0.2);
  color: #e2e8f0;
}

[data-theme="dark"] .nav-user-btn:hover {
  border-color: #60a5fa;
  background: rgba(96, 165, 250, 0.1);
}

[data-theme="dark"] .nav-user-menu {
  background: #1e293b;
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-user-info {
  background: #0f172a;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-user-logout {
  color: #e2e8f0;
}

[data-theme="dark"] .nav-user-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
}

[data-theme="dark"] .hamburger span {
  background: #f1f5f9;
}

[data-theme="dark"] .nav-mobile-menu {
  background: #1e293b;
}

[data-theme="dark"] .nav-mobile-link {
  color: #e2e8f0;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-mobile-link:hover,
[data-theme="dark"] .nav-mobile-link.active {
  background: rgba(96, 165, 250, 0.1);
  color: #60a5fa;
}

[data-theme="dark"] .nav-mobile-link.active {
  border-left-color: #60a5fa;
}

[data-theme="dark"] .nav-mobile-footer {
  background: #0f172a;
  border-top-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-mobile-user {
  border-top-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-mobile-user .nav-user-name {
  color: #f1f5f9;
}

[data-theme="dark"] .nav-mobile-logout {
  border-color: #f87171;
  color: #f87171;
}

[data-theme="dark"] .nav-mobile-logout:hover {
  background: #f87171;
  color: white;
}

/* Dark mode dropdown styles */
[data-theme="dark"] .nav-dropdown-trigger {
  color: #e2e8f0;
}

[data-theme="dark"] .nav-dropdown-trigger:hover {
  color: #60a5fa;
}

[data-theme="dark"] .nav-dropdown-trigger.active {
  color: #60a5fa;
}

[data-theme="dark"] .nav-dropdown-menu {
  background: #1e293b;
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-dropdown-item {
  color: #e2e8f0;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .nav-dropdown-item:hover {
  background: rgba(96, 165, 250, 0.1);
  color: #60a5fa;
}

[data-theme="dark"] .nav-dropdown-item.active {
  background: rgba(96, 165, 250, 0.15);
  color: #60a5fa;
}

[data-theme="dark"] .nav-mobile-section {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-mobile-section-title {
  color: #94a3b8;
}