/**
 * Internationalization (i18n) Styles - DataLab UERJ
 * Language selector styling alinhado com design original
 */

@import url('theme.css');

/* ============================================
   LANGUAGE SELECTOR CONTAINER
   ============================================ */

.language-selector {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.language-selector-label {
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  font-weight: var(--font-weight-semibold);
  display: none;
}

/* ============================================
   LANGUAGE BUTTONS - Professional Style
   ============================================ */

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-light);
  color: var(--color-text);
  border-radius: var(--radius-md);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.lang-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(74, 139, 110, 0.05);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.lang-btn:active {
  transform: translateY(0);
}

.lang-btn.active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.lang-btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Responsive language button sizes */
@media (min-width: 768px) {
  .lang-btn {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-base);
  }
}

/* ============================================
   LANGUAGE DROPDOWN (Alternative Style)
   ============================================ */

.language-dropdown {
  position: relative;
  display: inline-block;
}

.language-dropdown-button {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-light);
  color: var(--color-text);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-sm);
}

.language-dropdown-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(74, 139, 110, 0.05);
  box-shadow: var(--shadow-md);
}

.language-dropdown-button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.language-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  min-width: 140px;
  margin-top: var(--spacing-xs);
  overflow: hidden;
}

.language-dropdown-menu.active {
  display: block;
}

.language-option {
  display: block;
  width: 100%;
  padding: var(--spacing-md);
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  font-size: var(--font-size-small);
  color: var(--color-text);
  transition: background-color var(--transition-base), color var(--transition-base);
  font-family: var(--font-primary);
  text-transform: none;
  font-weight: var(--font-weight-medium);
}

.language-option:hover {
  background-color: rgba(74, 139, 110, 0.08);
  color: var(--color-accent);
}

.language-option:active {
  background-color: rgba(74, 139, 110, 0.12);
}

.language-option.active {
  background-color: rgba(74, 139, 110, 0.15);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}

.language-option:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.language-option:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.language-option:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* ============================================
   LANGUAGE SELECTOR IN HEADER
   ============================================ */

.header-lang-selector {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* ============================================
   FOOTER LANGUAGE SELECTOR
   ============================================ */

.footer-lang-selector {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.footer-lang-selector .lang-btn {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-bg-light);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: none;
}

.footer-lang-selector .lang-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: white;
  box-shadow: var(--shadow-md);
}

.footer-lang-selector .lang-btn.active {
  background-color: var(--color-accent-light);
  color: white;
  border-color: var(--color-accent-light);
}

/* ============================================
   LANGUAGE SELECTOR WITH LABELS
   ============================================ */

.language-selector-with-labels {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.language-selector-with-labels .lang-btn {
  width: auto;
  height: auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.lang-code {
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-bold);
}

.lang-name {
  font-size: var(--font-size-xs);
  display: none;
  font-weight: var(--font-weight-regular);
}

@media (min-width: 768px) {
  .lang-name {
    display: block;
  }
}

/* ============================================
   LOADING STATE FOR LANGUAGE CHANGE
   ============================================ */

.lang-btn.loading {
  opacity: 0.7;
  cursor: not-allowed;
}

.lang-btn.loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: var(--spacing-xs);
  border: 2px solid var(--color-accent);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================
   LANGUAGE SELECTOR ANIMATION
   ============================================ */

.lang-btn {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   MOBILE LANGUAGE SELECTOR
   ============================================ */

@media (max-width: 479px) {

  .language-selector {
    gap: var(--spacing-xs);
  }

  .lang-btn {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs);
  }

  .language-dropdown-menu {
    min-width: 120px;
  }

}