File size: 2,687 Bytes
e34da73 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | class CustomHeader extends HTMLElement {
connectedCallback() {
this.attachShadow({ mode: 'open' });
this.shadowRoot.innerHTML = `
<style>
:host {
display: block;
width: 100%;
}
header {
background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.2) 100%);
backdrop-filter: blur(10px);
}
.theme-toggle {
transition: all 0.3s ease;
}
.theme-toggle:hover {
transform: rotate(30deg);
}
@media (max-width: 640px) {
.logo-text {
display: none;
}
}
</style>
<header class="py-4 px-6 border-b border-emerald-200 dark:border-gray-700">
<div class="container mx-auto flex justify-between items-center">
<a href="/" class="flex items-center gap-2">
<i data-feather="leaf" class="text-emerald-600 dark:text-emerald-400"></i>
<span class="logo-text text-xl font-bold text-emerald-800 dark:text-emerald-200">Algorithmic ARboretum</span>
</a>
<div class="flex items-center gap-4">
<button class="theme-toggle p-2 rounded-full bg-emerald-100 dark:bg-gray-700 text-emerald-600 dark:text-emerald-300">
<i data-feather="moon" class="dark:hidden"></i>
<i data-feather="sun" class="hidden dark:block"></i>
</button>
</div>
</div>
</header>
`;
// Theme toggle functionality
const toggleBtn = this.shadowRoot.querySelector('.theme-toggle');
toggleBtn.addEventListener('click', () => {
document.documentElement.classList.toggle('dark');
localStorage.setItem('theme', document.documentElement.classList.contains('dark') ? 'dark' : 'light');
feather.replace();
});
// Check for saved theme preference
if (localStorage.getItem('theme') === 'dark' || (!localStorage.getItem('theme') && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
document.documentElement.classList.add('dark');
}
feather.replace();
}
}
customElements.define('custom-header', CustomHeader); |