/* ============================================
   Navigation Component Styles - Figma Design
   ============================================ */

/* CSS Variables - Design Tokens from Figma */
:root {
  /* Colors */
  --nav-text-primary: #212b36;
  --nav-bg-white: #ffffff;
  --nav-border-color: rgba(145, 158, 171, 0.32);
  --nav-divider-color: rgba(145, 158, 171, 0.2);
  --nav-button-bg-dark: #212b36;
  --nav-button-text-light: #ffffff;
  --nav-text-gray: #A0A0A0;
  
  /* Spacing */
  --nav-spacing-xs: 4px;
  --nav-spacing-sm: 8px;
  --nav-spacing-md: 16px;
  --nav-spacing-lg: 20px;
  --nav-spacing-xl: 24px;
  
  /* Typography */
  --nav-font-button-large: 15px;
  --nav-font-button-medium: 14px;
  --nav-font-button-small: 13px;
  --nav-font-weight-bold: 700;
  --nav-line-height-large: 26px;
  --nav-line-height-medium: 24px;
  --nav-line-height-small: 22px;
  
  /* Component sizes */
  --nav-height: 93px;
  --nav-mobile-height: 80px;
  --nav-button-height-large: 48px;
  --nav-button-height-medium: 36px;
  --nav-button-height-small: 30px;
  --nav-icon-size: 28px;
  --nav-icon-size-small: 24px;
  
  /* Border radius */
  --nav-border-radius: 4px;
  --nav-border-radius-full: 500px;
}

/* Reset and Base Styles */
.cmc-nav {
  background-color: var(--nav-bg-white);
  border-bottom: 1px solid var(--nav-border-color);
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', Arial, sans-serif;
}

.cmc-nav * {
  box-sizing: border-box;
}

/* ============================================
   Desktop Navigation - Normal (>= 1200px)
   ============================================ */
.cmc-nav-normal {
  display: none; /* Controlled by media queries */
  align-items: center;
  justify-content: space-between;
  min-width: 1200px;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--nav-spacing-sm) var(--nav-spacing-xl) var(--nav-spacing-sm) var(--nav-spacing-md);
  height: var(--nav-height);
}

.cmc-nav-left {
  display: flex;
  align-items: center;
  width: 420px;
  flex-shrink: 0;
}

.cmc-nav-logo {
  display: block;
  height: 77px;
  width: auto;
}

.cmc-nav-logo img {
  height: 100%;
  width: auto;
  display: block;
}

/* Chinese Logo - Combined Emblem and Text */
.cmc-nav-logo-cn {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 77px;
}

.cmc-logo-emblem {
  height: 77px;
  width: auto;
  display: block;
}

.cmc-logo-text-cn {
  height: 77px;
  width: auto;
  display: block;
}

.cmc-nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 0;
  min-width: 0;
}

.cmc-nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cmc-nav-menu-item {
  position: relative;
}

.cmc-nav-menu-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: var(--nav-button-height-large);
  padding: 0 10px;
  font-size: var(--nav-font-button-large);
  font-weight: var(--nav-font-weight-bold);
  line-height: var(--nav-line-height-large);
  color: var(--nav-text-primary);
  text-decoration: none;
  border-radius: var(--nav-border-radius);
  transition: background-color 0.2s ease;
  white-space: nowrap;
}

.cmc-nav-menu-link:hover {
  background-color: rgba(145, 158, 171, 0.08);
  color: var(--nav-text-primary);
}

.cmc-nav-menu-link:focus {
  outline: 2px solid var(--nav-text-primary);
  outline-offset: 2px;
}

/* Dropdown Menu */
.cmc-nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--nav-bg-white);
  border: 1px solid var(--nav-border-color);
  border-radius: var(--nav-border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1000;
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.cmc-nav-menu-item:hover .cmc-nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cmc-nav-dropdown-item {
  margin: 0;
  padding: 0;
}

.cmc-nav-dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: var(--nav-font-button-medium);
  font-weight: var(--nav-font-weight-bold);
  line-height: var(--nav-line-height-medium);
  color: var(--nav-text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.cmc-nav-dropdown-link:hover {
  background-color: rgba(145, 158, 171, 0.08);
  color: var(--nav-text-primary);
}

.cmc-nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 420px;
  gap: var(--nav-spacing-md);
  flex-shrink: 0;
}

/* Language Switcher */
.cmc-nav-lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--nav-spacing-sm);
}

.cmc-nav-lang-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--nav-spacing-sm);
  min-width: 64px;
  height: var(--nav-button-height-medium);
  padding: 0 var(--nav-spacing-sm);
  font-size: var(--nav-font-button-medium);
  font-weight: var(--nav-font-weight-bold);
  line-height: var(--nav-line-height-medium);
  color: var(--nav-text-primary);
  background-color: transparent;
  border: none;
  border-radius: var(--nav-border-radius);
  cursor: pointer;
  transition: background-color 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.cmc-nav-lang-button:hover {
  background-color: rgba(145, 158, 171, 0.08);
}

.cmc-nav-lang-icon {
  width: var(--nav-icon-size-small);
  height: var(--nav-icon-size-small);
}

.cmc-nav-divider {
  width: 1px;
  height: 21px;
  background-color: var(--nav-divider-color);
}

/* Social Icons */
.cmc-nav-social {
  display: flex;
  align-items: center;
  gap: var(--nav-spacing-lg);
}

.cmc-nav-social-link {
  display: block;
  width: var(--nav-icon-size);
  height: var(--nav-icon-size);
  transition: opacity 0.2s ease;
}

.cmc-nav-social-link:hover {
  opacity: 0.7;
}

.cmc-nav-social-icon {
  width: 100%;
  height: 100%;
  display: block;
}

/* Donate Button */
.cmc-nav-donate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: var(--nav-button-height-medium);
  padding: 0 12px;
  font-size: var(--nav-font-button-medium);
  font-weight: var(--nav-font-weight-bold);
  line-height: var(--nav-line-height-medium);
  color: var(--nav-button-text-light);
  background-color: var(--nav-button-bg-dark);
  border: none;
  border-radius: var(--nav-border-radius);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}

.cmc-nav-donate:hover {
  opacity: 0.85;
  color: var(--nav-button-text-light);
}

/* ============================================
   Desktop Navigation - Small (1000-1199px)
   ============================================ */
.cmc-nav-small {
  display: none; /* Controlled by media queries */
  align-items: center;
  justify-content: space-between;
  min-width: 1000px;
  width: 100%;
  max-width: 1199px;
  margin: 0 auto;
  padding: var(--nav-spacing-sm) var(--nav-spacing-xl) var(--nav-spacing-sm) var(--nav-spacing-md);
  height: var(--nav-height);
}

.cmc-nav-small .cmc-nav-left {
  width: 300px;
}

.cmc-nav-small .cmc-nav-right {
  width: 300px;
  gap: var(--nav-spacing-sm);
}

/* Follow Us Dropdown (Small Nav) */
.cmc-nav-followus {
  position: relative;
}

.cmc-nav-followus-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--nav-spacing-sm);
  min-width: 64px;
  height: var(--nav-button-height-small);
  padding: 0 var(--nav-spacing-xs);
  font-size: var(--nav-font-button-small);
  font-weight: var(--nav-font-weight-bold);
  line-height: var(--nav-line-height-small);
  color: var(--nav-text-primary);
  background-color: transparent;
  border: none;
  border-radius: var(--nav-border-radius);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.cmc-nav-followus-button:hover {
  background-color: rgba(145, 158, 171, 0.08);
}

.cmc-nav-followus-icon {
  width: var(--nav-icon-size-small);
  height: var(--nav-icon-size-small);
}

.cmc-nav-followus-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--nav-bg-white);
  border: 1px solid var(--nav-border-color);
  border-radius: var(--nav-border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1000;
  padding: 16px;
  min-width: 180px;
}

.cmc-nav-followus:hover .cmc-nav-followus-dropdown,
.cmc-nav-followus.active .cmc-nav-followus-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cmc-nav-followus-dropdown .cmc-nav-social {
  justify-content: center;
}

/* ============================================
   Mobile Navigation (<= 999px)
   ============================================ */
.cmc-nav-mobile {
  display: none; /* Controlled by media queries */
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 16px;
  height: var(--nav-mobile-height);
  border-bottom: 1px solid var(--nav-divider-color);
}

.cmc-nav-mobile .cmc-nav-logo {
  display: flex;
  align-items: center;
  height: 60px;
}

.cmc-nav-mobile .cmc-nav-logo img {
  height: 53px;
  width: auto;
  object-fit: contain;
}

.cmc-nav-mobile .cmc-nav-logo-cn {
  gap: 8px;
  height: 60px;
}

.cmc-nav-mobile .cmc-logo-emblem {
  height: 60px;
}

.cmc-nav-mobile .cmc-logo-text-cn {
  height: 60px;
}

/* Hamburger Menu Button */
.cmc-nav-hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: transparent;
  border: none;
  border-radius: var(--nav-border-radius-full);
  cursor: pointer;
  transition: background-color 0.2s ease;
  padding: 0;
}

.cmc-nav-hamburger:hover {
  background-color: rgba(145, 158, 171, 0.08);
}

.cmc-nav-hamburger-icon {
  width: var(--nav-icon-size-small);
  height: var(--nav-icon-size-small);
  display: block;
}

/* Mobile Menu Overlay */
.cmc-nav-mobile-overlay {
  position: fixed;
  top: var(--nav-mobile-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.cmc-nav-mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu Panel */
.cmc-nav-mobile-panel {
  position: fixed;
  top: var(--nav-mobile-height);
  right: 0;
  width: 280px;
  max-width: 85vw;
  height: calc(100vh - var(--nav-mobile-height));
  background-color: var(--nav-bg-white);
  box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1000;
  overflow-y: auto;
}

.cmc-nav-mobile-panel.active {
  transform: translateX(0);
}

.cmc-nav-mobile-menu {
  list-style: none;
  margin: 0;
  padding: 16px 0;
}

.cmc-nav-mobile-menu-item {
  margin: 0;
}

.cmc-nav-mobile-menu-link {
  display: block;
  padding: 12px 24px;
  font-size: var(--nav-font-button-medium);
  font-weight: var(--nav-font-weight-bold);
  line-height: var(--nav-line-height-medium);
  color: var(--nav-text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.cmc-nav-mobile-menu-link:hover {
  background-color: rgba(145, 158, 171, 0.08);
  color: var(--nav-text-primary);
}

/* Mobile Dropdown */
.cmc-nav-mobile-dropdown {
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: rgba(145, 158, 171, 0.04);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.cmc-nav-mobile-menu-item.active .cmc-nav-mobile-dropdown {
  max-height: 500px;
}

.cmc-nav-mobile-dropdown-link {
  display: block;
  padding: 10px 24px 10px 40px;
  font-size: var(--nav-font-button-medium);
  font-weight: 400;
  line-height: var(--nav-line-height-medium);
  color: var(--nav-text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.cmc-nav-mobile-dropdown-link:hover {
  background-color: rgba(145, 158, 171, 0.08);
  color: var(--nav-text-primary);
}

/* Mobile Menu Footer */
.cmc-nav-mobile-footer {
  padding: 24px;
  border-top: 1px solid var(--nav-divider-color);
}

.cmc-nav-mobile-footer .cmc-nav-social {
  justify-content: center;
  margin-bottom: 16px;
}

.cmc-nav-mobile-footer .cmc-nav-lang-button {
  width: 100%;
  justify-content: center;
  margin-bottom: 12px;
}

.cmc-nav-mobile-footer .cmc-nav-donate {
  width: 100%;
  justify-content: center;
}

/* ============================================
   Responsive Media Queries
   ============================================ */

/* Desktop Normal: >= 1200px */
@media (min-width: 1200px) {
  .cmc-nav-normal {
    display: flex;
  }
  .cmc-nav-small,
  .cmc-nav-mobile {
    display: none;
  }
}

/* Desktop Small: 1000px - 1199px */
@media (min-width: 1000px) and (max-width: 1199px) {
  .cmc-nav-normal {
    display: none;
  }
  .cmc-nav-small {
    display: flex;
  }
  .cmc-nav-mobile {
    display: none;
  }
  
  /* Reduce side widths to give more space for menu */
  .cmc-nav-small .cmc-nav-left {
    width: 240px;
  }
  
  .cmc-nav-small .cmc-nav-right {
    width: 240px;
  }
  
  /* Reduce menu item spacing and font size */
  .cmc-nav-small .cmc-nav-menu {
    gap: 4px;
  }
  
  .cmc-nav-small .cmc-nav-menu-link {
    font-size: 13px;
    padding: 0 8px;
  }
  
  /* Ensure language button doesn't wrap */
  .cmc-nav-small .cmc-nav-lang-button {
    white-space: nowrap;
    min-width: 75px;
    padding: 0 10px;
  }
  
  /* Reduce logo size */
  .cmc-nav-small .cmc-nav-logo {
    height: 65px;
  }
  
  .cmc-nav-small .cmc-logo-text-cn {
    height: 65px;
  }
  
  .cmc-nav-small .cmc-logo-emblem {
    height: 65px;
  }
}

/* Extra tight spacing for very narrow desktop: 1000px - 1099px */
@media (min-width: 1000px) and (max-width: 1099px) {
  .cmc-nav-small .cmc-nav-left {
    width: 200px;
  }
  
  .cmc-nav-small .cmc-nav-right {
    width: 220px;
    gap: 8px;
  }
  
  .cmc-nav-small .cmc-nav-menu {
    gap: 2px;
  }
  
  .cmc-nav-small .cmc-nav-menu-link {
    font-size: 12px;
    padding: 0 6px;
  }
  
  /* Further reduce logo */
  .cmc-nav-small .cmc-nav-logo {
    height: 58px;
  }
  
  .cmc-nav-small .cmc-logo-text-cn {
    height: 58px;
  }
  
  .cmc-nav-small .cmc-logo-emblem {
    height: 58px;
  }
  
  /* Smaller language button and icons */
  .cmc-nav-small .cmc-nav-lang-button {
    font-size: 12px;
    padding: 0 8px;
    min-width: 70px;
    gap: 6px;
  }
  
  .cmc-nav-small .cmc-nav-social-icon {
    width: 22px;
    height: 22px;
  }
  
  .cmc-nav-small .cmc-nav-donate {
    font-size: 12px;
    padding: 0 10px;
    min-width: 60px;
  }
}

/* Mobile: < 1000px */
@media (max-width: 999px) {
  .cmc-nav-normal,
  .cmc-nav-small {
    display: none;
  }
  .cmc-nav-mobile {
    display: flex;
  }
}

/* Additional responsive adjustments */
@media (max-width: 768px) {
  .cmc-nav-mobile-panel {
    width: 100%;
    max-width: 100vw;
  }
}

/* ============================================
   Accessibility
   ============================================ */

/* Focus visible for keyboard navigation */
.cmc-nav a:focus-visible,
.cmc-nav button:focus-visible {
  outline: 2px solid var(--nav-text-primary);
  outline-offset: 2px;
}

/* Skip to content link */
.cmc-nav-skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--nav-button-bg-dark);
  color: var(--nav-button-text-light);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 10000;
}

.cmc-nav-skip-link:focus {
  top: 0;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .cmc-nav *,
  .cmc-nav *::before,
  .cmc-nav *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .cmc-nav-mobile-overlay,
  .cmc-nav-mobile-panel,
  .cmc-nav-dropdown,
  .cmc-nav-followus-dropdown {
    display: none !important;
  }
}