/* Language Selector Unified Styles - Improved Design and Usability */

/* Base container with improved positioning */
.language-selector {
  position: relative;
  display: inline-block;
  margin-left: 12px;
  flex-shrink: 0;
  /* Ensure visibility across all contexts */
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
  height: auto !important;
  width: auto !important;
  overflow: visible !important;
  z-index: 100;
}

/* Enhanced toggle button with modern design */
.lang-toggle {
  display: flex !important;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(0, 132, 255, 0.2);
  border-radius: 24px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 80px;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 132, 255, 0.1);
  /* Ensure visibility */
  opacity: 1 !important;
  visibility: visible !important;
  position: relative;
  z-index: 101;
  height: auto !important;
  width: auto !important;
  overflow: visible !important;
}

/* Enhanced hover and focus states */
.lang-toggle:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(0, 132, 255, 0.4);
  box-shadow: 0 4px 16px rgba(0, 132, 255, 0.2);
  transform: translateY(-1px);
}

.lang-toggle:focus {
  outline: none;
  border-color: rgba(0, 132, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(0, 132, 255, 0.2);
}

.lang-toggle:focus-visible {
  outline: 2px solid #0084ff;
  outline-offset: 2px;
}

.lang-toggle:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 132, 255, 0.2);
}

/* Current language styling */
.current-lang {
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #0084ff;
}

/* Enhanced flag styling with better visual hierarchy */
.flag-icon {
  font-size: 18px;
  line-height: 1;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 132, 255, 0.05);
  transition: all 0.2s ease;
  font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",system-ui,sans-serif;
}
/* PNG flag sizing (dropdown items) */
.flag-icon img {
  width: 16px;
  height: 16px;
  display: block;
  object-fit: contain;
  border-radius: 2px;
}

/* PNG flag sizing (toggle pill) */
.lang-toggle .current-flag img {
  width: 18px;
  height: 18px;
}

/* Code label next to flag (EN/IT/DE/ES) */
.lang-option .lang-name {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.current-flag {
  background: rgba(0, 132, 255, 0.1);
  box-shadow: 0 2px 4px rgba(0, 132, 255, 0.2);
}

/* Chevron animation */
.lang-toggle .fa-chevron-down {
  transition: transform 0.3s ease;
  font-size: 12px;
  color: #0084ff;
}

.lang-toggle[aria-expanded="true"] .fa-chevron-down {
  transform: rotate(180deg);
}

/* Enhanced dropdown with modern design */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 132, 255, 0.15);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 3000;
  overflow: visible;
  padding: 8px;
}

.lang-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* Enhanced language options */
.lang-dropdown .lang-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: 12px;
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: #1a1a1a;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.lang-dropdown .lang-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(0, 132, 255, 0.1), rgba(0, 132, 255, 0.05));
  transition: width 0.3s ease;
  z-index: -1;
}

.lang-dropdown .lang-option:hover::before {
  width: 100%;
}

.lang-dropdown .lang-option:hover,
.lang-dropdown .lang-option:focus {
  background: rgba(0, 132, 255, 0.08);
  transform: translateX(4px);
}

.lang-dropdown .lang-option:focus-visible {
  outline: 2px solid #0084ff;
  outline-offset: -2px;
}

.lang-dropdown .lang-option.active {
  background: linear-gradient(135deg, rgba(0, 132, 255, 0.15), rgba(0, 132, 255, 0.08));
  color: #0084ff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 132, 255, 0.15);
}

.lang-dropdown .lang-option.active .flag-icon {
  background: rgba(0, 132, 255, 0.15);
  box-shadow: 0 2px 4px rgba(0, 132, 255, 0.3);
}

/* Language name styling */
.lang-name {
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .language-selector {
    margin-left: 0;
    margin-top: 8px;
    position: absolute;
    top: 12px;
    right: 70px;
    z-index: 100;
  }
  
  .lang-toggle {
    padding: 10px 16px;
    font-size: 15px;
    min-width: 90px;
    border-radius: 26px;
  }
  
  .flag-icon {
    font-size: 20px;
    width: 28px;
    height: 28px;
  }
  
  .lang-dropdown {
    min-width: 200px;
    right: -20px;
  }
  
  .lang-dropdown .lang-option {
    padding: 14px 18px;
    font-size: 15px;
  }
}

/* Header scrolled state adaptation */
.header.scrolled .lang-toggle {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.15);
  color: #1a1a1a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header.scrolled .lang-toggle:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(0, 132, 255, 0.3);
  box-shadow: 0 4px 16px rgba(0, 132, 255, 0.15);
}

.header.scrolled .current-lang {
  color: #0084ff;
}

.header.scrolled .flag-icon {
  background: rgba(0, 132, 255, 0.08);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .lang-toggle {
    background: rgba(30, 30, 30, 0.95);
    border-color: rgba(0, 132, 255, 0.3);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  }
  
  .lang-toggle:hover {
    background: rgba(40, 40, 40, 0.98);
    border-color: rgba(0, 132, 255, 0.5);
    box-shadow: 0 4px 16px rgba(0, 132, 255, 0.2);
  }
  
  .current-lang {
    color: #4da6ff;
  }
  
  .flag-icon {
    background: rgba(0, 132, 255, 0.15);
  }
  
  .current-flag {
    background: rgba(0, 132, 255, 0.25);
  }
  
  .lang-dropdown {
    background: rgba(30, 30, 30, 0.98);
    border-color: rgba(0, 132, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
  
  .lang-dropdown .lang-option {
    color: #ffffff;
  }
  
  .lang-dropdown .lang-option:hover,
  .lang-dropdown .lang-option:focus {
    background: rgba(0, 132, 255, 0.15);
  }
  
  .lang-dropdown .lang-option.active {
    background: linear-gradient(135deg, rgba(0, 132, 255, 0.25), rgba(0, 132, 255, 0.15));
    color: #4da6ff;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .lang-toggle {
    border-width: 3px;
    border-color: #000000;
  }
  
  .lang-dropdown {
    border: 2px solid #000000;
  }
  
  .lang-dropdown .lang-option:focus-visible {
    outline: 3px solid #0084ff;
    outline-offset: -3px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .lang-toggle,
  .lang-dropdown .lang-option,
  .lang-dropdown,
  .flag-icon,
  .lang-toggle .fa-chevron-down {
    transition: none;
  }
  
  .lang-toggle[aria-expanded="true"] .fa-chevron-down {
    transform: none;
  }
}

/* Focus management for accessibility */
.lang-dropdown .lang-option:focus {
  outline: 2px solid #0084ff;
  outline-offset: -2px;
}

/* Mobile menu language selector */
.mobile-menu .language-selector {
  margin: 20px 0;
  text-align: center;
  position: relative;
  top: auto;
  right: auto;
}

.mobile-menu .lang-toggle {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}

.mobile-menu .lang-dropdown {
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
}

.mobile-menu .lang-dropdown.show {
  transform: translateX(-50%) translateY(0);
}

/* Loading state with enhanced animation */
.lang-toggle.loading {
  opacity: 0.7;
  pointer-events: none;
}

.lang-toggle.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top: 2px solid #0084ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* RTL support */
[dir="rtl"] .language-selector {
  margin-left: 0;
  margin-right: 12px;
}

[dir="rtl"] .lang-dropdown {
  right: auto;
  left: 0;
}

[dir="rtl"] .mobile-menu .lang-dropdown {
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
}

[dir="rtl"] .mobile-menu .lang-dropdown.show {
  transform: translateX(-50%) translateY(0);
}

[dir="rtl"] .lang-dropdown .lang-option:hover,
[dir="rtl"] .lang-dropdown .lang-option:focus {
  transform: translateX(-4px);
}

/* Print styles */
@media print {
  .language-selector {
    display: none !important;
  }
}

/* Enhanced animation for dropdown appearance */
.lang-dropdown.show {
  animation: dropdownAppear 0.3s ease-out;
}

@keyframes dropdownAppear {
  0% {
    opacity: 0;
    transform: translateY(-15px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Tooltip for language names on hover (optional enhancement) */
.lang-option .lang-name {
  position: relative;
}

/* tooltip disabilitato */

/* tooltip disabilitato */

/* Performance optimizations */
.language-selector {
  will-change: transform;
  contain: layout style;
}

.lang-dropdown {
  will-change: transform, opacity;
  contain: layout style paint;
}

/* Enhanced keyboard navigation */
.lang-dropdown .lang-option:not(:disabled):not([aria-disabled="true"]) {
  cursor: pointer;
}

.lang-dropdown .lang-option:disabled,
.lang-dropdown .lang-option[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Screen reader only text for better accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------
   Performance overrides (mobile-focused)
   Goal: improve FCP/LCP and reduce expensive paints on mobile
   without changing desktop styling or site content.
------------------------------------------------------------ */

/* Avoid permanent will-change (can increase memory/GPU usage). */
.language-selector { will-change: auto; }
.lang-dropdown { will-change: auto; }

/* Mobile: disable costly backdrop-filter blur (expensive on mobile GPUs). */
@media (max-width: 768px) {
  .lang-toggle,
  .lang-dropdown {
    backdrop-filter: none !important;
  }
}

/* Mobile: reduce motion/animations and heavy transitions (smoother on low-end devices). */
@media (max-width: 768px) {
  .lang-dropdown.show {
    animation: none !important;
  }
  .lang-toggle,
  .lang-dropdown,
  .lang-dropdown .lang-option,
  .flag-icon,
  .lang-toggle .fa-chevron-down {
    transition: none !important;
  }
  /* Hover transforms don't help on touch devices and can trigger extra paints. */
  .lang-dropdown .lang-option:hover,
  .lang-dropdown .lang-option:focus {
    transform: none !important;
  }
}