/* ===================================
   COMPONENT: Theme Toggle
   BEM Block: theme-toggle
   Purpose: Light/dark mode switcher (shared component)
   Dependencies: main.css for CSS variables and theme system
   =================================== */

/* ===================================
   THEME TOGGLE - Base Styles
   =================================== */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  padding: 0;
  position: relative;
}

.theme-toggle:hover {
  background: rgba(52, 124, 191, 0.1);
}

.theme-toggle:focus,
.theme-toggle:active,
.theme-toggle:focus-visible {
  outline: none;
}

/* Dark Mode Adjustments */
[data-theme="dark"] .theme-toggle:hover {
  background: rgba(52, 124, 191, 0.2);
}

/* ===================================
   THEME TOGGLE ICONS
   =================================== */
.theme-toggle__icon {
  width: 20px;
  height: 20px;
  color: var(--color-black);
  transition: all var(--transition-normal);
  position: absolute;
}

[data-theme="dark"] .theme-toggle__icon {
  color: #f8fafc;
}

/* Icon Visibility - Sun visible in light mode, Moon in dark mode */
.theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

/* Dark mode - swap visibility */
[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* ===================================
   THEME TOGGLE VARIANTS
   =================================== */

/* Desktop Variant - Used in navbar desktop view */
.theme-toggle--desktop {
  /* Specific desktop styling if needed */
}

/* Mobile Variant - Used in mobile menu */
.theme-toggle--mobile {
  width: 100%;
  height: 56px;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border: 2px solid var(--color-gray-200);
}

.theme-toggle--mobile:hover {
  background: rgba(52, 124, 191, 0.1);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.theme-toggle--mobile:focus,
.theme-toggle--mobile:active,
.theme-toggle--mobile:focus-visible {
  background: transparent !important;
  border-color: var(--color-gray-200) !important;
  color: var(--color-black) !important;
  outline: none !important;
}

[data-theme="dark"] .theme-toggle--mobile {
  border-color: var(--color-gray-200);
  color: #f8fafc;
}

[data-theme="dark"] .theme-toggle--mobile:hover {
  background: rgba(52, 124, 191, 0.2);
  border-color: #7db8e8;
  color: #7db8e8;
}

[data-theme="dark"] .theme-toggle--mobile:focus,
[data-theme="dark"] .theme-toggle--mobile:active,
[data-theme="dark"] .theme-toggle--mobile:focus-visible {
  background: transparent !important;
  border-color: var(--color-gray-200) !important;
  color: #f8fafc !important;
  outline: none !important;
}