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site-profile/src/components/ThemeToggle.astro

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---
---
<button
id="theme-toggle"
data-theme-toggle
class="group relative touch-manipulation overflow-hidden rounded-full p-1.5 transition-all duration-300 hover:bg-zinc-100 focus:ring-2 focus:ring-zinc-300 focus:outline-hidden sm:p-2 dark:hover:bg-zinc-800 dark:focus:ring-zinc-700"
aria-label="Toggle dark mode"
>
<div class="relative z-10 flex h-5 w-5 items-center justify-center">
<!-- Sun icon -->
<svg
xmlns="http://www.w3.org/2000/svg"
class="icon-light absolute h-5 w-5 scale-100 rotate-0 text-zinc-800 transition-all duration-500 dark:scale-0 dark:-rotate-90 dark:text-zinc-200"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<circle cx="12" cy="12" r="5"></circle>
<path
d="M12 1v2M12 21v2M4.2 4.2l1.4 1.4M18.4 18.4l1.4 1.4M1 12h2M21 12h2M4.2 19.8l1.4-1.4M18.4 5.6l1.4-1.4"
></path>
</svg>
<!-- Moon icon -->
<svg
xmlns="http://www.w3.org/2000/svg"
class="icon-dark absolute h-5 w-5 scale-0 rotate-90 text-zinc-800 transition-all duration-500 dark:scale-100 dark:rotate-0 dark:text-zinc-200"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"></path>
</svg>
</div>
<!-- Ripple effect -->
<span
class="absolute inset-0 h-full w-full bg-zinc-200 opacity-0 transition-opacity duration-300 group-active:opacity-20 dark:bg-zinc-700"
></span>
</button>
<script is:inline>
// Use a function to persist theme when using SPA transitions
// https://docs.astro.build/en/guides/view-transitions/#script-re-execution
function applyTheme() {
localStorage.theme === 'dark'
? document.documentElement.classList.add('dark')
: document.documentElement.classList.remove('dark');
}
document.addEventListener('astro:after-swap', applyTheme);
applyTheme();
</script>
<script>
// Use a function to handle theme toggle to ensure it can be called from anywhere
function setupThemeToggle() {
const themeToggles = document.querySelectorAll('[data-theme-toggle]');
// Create theme switch overlay element if it doesn't exist
if (!document.querySelector('.theme-switch-overlay')) {
const overlay = document.createElement('div');
overlay.className = 'theme-switch-overlay fixed inset-0 pointer-events-none z-50';
overlay.style.opacity = '0';
overlay.style.transition = 'opacity 0.3s ease-out';
document.body.appendChild(overlay);
}
// Toggle theme when any theme toggle button is clicked
themeToggles.forEach((toggle) => {
// Add event listeners for both click and touch events
['click', 'touchend'].forEach((eventType) => {
toggle.addEventListener(
eventType,
(e) => {
e.preventDefault();
e.stopPropagation();
// Get click/touch position for radial animation
let x, y;
if (e.type === 'touchend' && e.changedTouches && e.changedTouches[0]) {
const rect = toggle.getBoundingClientRect();
x = e.changedTouches[0].clientX - rect.left;
y = e.changedTouches[0].clientY - rect.top;
} else {
const rect = toggle.getBoundingClientRect();
x = e.clientX - rect.left;
y = e.clientY - rect.top;
}
// Set the position variables for the radial gradient
document.documentElement.style.setProperty('--x', `${x}px`);
document.documentElement.style.setProperty('--y', `${y}px`);
// Get the overlay element
const overlay = document.querySelector('.theme-switch-overlay');
// Determine the new theme
const isDark = document.documentElement.classList.contains('dark');
const newTheme = isDark ? 'light' : 'dark';
// Show overlay during transition
if (overlay) {
overlay.style.backgroundColor =
newTheme === 'dark' ? 'rgba(24, 24, 27, 0.3)' : 'rgba(255, 255, 255, 0.3)';
overlay.style.opacity = '1';
}
// Add transition class
document.documentElement.classList.add('theme-switching');
// Add ripple effect
const ripple = document.createElement('span');
ripple.className = 'theme-toggle-ripple';
toggle.appendChild(ripple);
// Force a reflow to ensure all elements update
document.body.offsetHeight;
// Toggle dark mode with a slight delay to allow overlay to appear
setTimeout(() => {
if (isDark) {
document.documentElement.classList.remove('dark');
} else {
document.documentElement.classList.add('dark');
}
// Store the preference
localStorage.setItem('theme', newTheme);
// Dispatch a custom event for other components to react to
document.dispatchEvent(
new CustomEvent('themeChanged', {
detail: { isDark: newTheme === 'dark' },
})
);
// Force another reflow to ensure all elements update
document.body.offsetHeight;
// Hide overlay after theme has changed
setTimeout(() => {
if (overlay) {
overlay.style.opacity = '0';
}
// Remove transition class after animation completes
document.documentElement.classList.remove('theme-switching');
ripple.remove();
}, 300);
}, 50);
},
{ passive: false }
);
});
// Add touch feedback
toggle.addEventListener(
'touchstart',
() => {
toggle.classList.add('active-touch');
},
{ passive: true }
);
toggle.addEventListener(
'touchend',
() => {
setTimeout(() => {
toggle.classList.remove('active-touch');
}, 150);
},
{ passive: true }
);
});
}
// Run setup on load
document.addEventListener('astro:page-load', setupThemeToggle);
// Also run on page visibility change to ensure theme is consistent
document.addEventListener('visibilitychange', () => {
if (document.visibilityState === 'visible') {
const currentTheme = localStorage.getItem('theme');
if (currentTheme === 'dark') {
document.documentElement.classList.add('dark');
} else if (currentTheme === 'light') {
document.documentElement.classList.remove('dark');
}
}
});
// Listen for system preference changes
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', ({ matches }) => {
if (!localStorage.getItem('theme')) {
if (matches) {
document.documentElement.classList.add('dark');
} else {
document.documentElement.classList.remove('dark');
}
}
});
</script>
<style>
/* Smooth transition for the entire page when theme changes */
:global(body) {
transition:
background-color 0.5s ease,
color 0.5s ease;
}
/* Theme transition overlay */
:global(.theme-switch-overlay) {
position: fixed;
inset: 0;
z-index: 9999;
pointer-events: none;
transition: opacity 0.3s ease-out;
}
/* Ensure theme transitions apply to all elements */
:global(.theme-switching *) {
transition-duration: 0.5s !important;
transition-property: background-color, border-color, color, fill, stroke !important;
}
/* Ripple animation */
.theme-toggle-ripple {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%) scale(0);
width: 100%;
height: 100%;
border-radius: 50%;
background-color: rgba(161, 161, 170, 0.3);
animation: ripple 0.8s ease-out;
}
@keyframes ripple {
0% {
transform: translate(-50%, -50%) scale(0);
opacity: 0.5;
}
100% {
transform: translate(-50%, -50%) scale(2.5);
opacity: 0;
}
}
/* Subtle hover animation */
#theme-toggle {
transform: translateY(0);
box-shadow: 0 0 0 rgba(0, 0, 0, 0);
-webkit-tap-highlight-color: transparent; /* Remove default mobile tap highlight */
min-height: 32px; /* Ensure minimum touch target size */
min-width: 32px; /* Ensure minimum touch target size */
}
/* Only apply hover effects on non-touch devices */
@media (hover: hover) {
#theme-toggle:hover {
transform: translateY(-2px);
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
#theme-toggle:hover .icon-light:not(.dark .icon-light) {
filter: drop-shadow-sm(0 0 2px rgba(251, 191, 36, 0.6));
transform: scale(1.1) rotate(15deg);
}
#theme-toggle:hover .icon-dark:not(:not(.dark) .icon-dark) {
filter: drop-shadow-sm(0 0 2px rgba(129, 140, 248, 0.6));
transform: scale(1.1) rotate(-15deg);
}
}
/* Touch feedback */
#theme-toggle.active-touch {
transform: scale(0.95);
transition: transform 0.15s ease-in-out;
}
/* Optimize animations for mobile */
@media (prefers-reduced-motion: reduce) {
.icon-light,
.icon-dark {
transition: all 0.2s ease-out !important;
}
#theme-toggle,
#theme-toggle:hover {
transform: none;
transition: none;
}
.theme-toggle-ripple {
animation-duration: 0.4s;
}
}
/* Adjust size for very small screens */
@media (max-width: 320px) {
#theme-toggle {
padding: 0.25rem !important;
}
}
</style>