.theme-toggle {
  --toggle-size: 40px;
  --icon-size: 20px;
  --toggle-bg: var(--s2, var(--card2, var(--surface, #121826)));
  --toggle-border: var(--bdr, var(--border, rgba(255, 255, 255, 0.14)));
  --toggle-fg-dark: var(--t, var(--primary, #22d3ee));
  --toggle-fg-light: var(--p, var(--primary, #7c3aed));
  --toggle-shadow: var(--tglow, color-mix(in srgb, var(--toggle-fg-dark) 28%, transparent));
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--toggle-size);
  height: var(--toggle-size);
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-fg);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  padding: 0;
  flex-shrink: 0;
  z-index: 101;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
  background: var(--card, #1a1a1a);
  border-color: var(--toggle-fg-dark);
  transform: rotate(12deg) scale(1.08);
  box-shadow: 0 0 20px var(--toggle-shadow);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--toggle-fg-dark);
  outline-offset: 2px;
}

.theme-toggle i,
.theme-toggle svg {
  position: absolute;
  width: var(--icon-size);
  height: var(--icon-size);
  color: var(--toggle-fg-dark);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Show moon in dark theme */
.theme-toggle .icon-sun {
  opacity: 0;
  transform: translateY(40px);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: translateY(0);
}

/* Show sun in light theme */
[data-theme="light"] .theme-toggle i,
[data-theme="light"] .theme-toggle svg {
  color: var(--toggle-fg-light);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: translateY(-40px);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: translateY(0);
}