3D Tilt Glassmorphism Card with Interactive Glare & Copy Snippet

/* ========================================================
   GLOBAL RESETS & GLASSLAND BACKGROUND
   ======================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0B0F19;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.18) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.18) 0px, transparent 50%);
    overflow: hidden;
    padding: 1.5rem;
}

/* Container for 3D perspective field */
.card-container {
    perspective: 1000px;
}

/* ========================================================
   STYLISH GLASS CARD
   ======================================================== */
.glass-card {
    width: 360px;
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.25rem;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out, box-shadow 0.3s ease;
    cursor: pointer;
}

.glass-card:hover {
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.8),
        0 0 30px rgba(99, 102, 241, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* Dynamic Glare Effect Overlay */
.card-glare {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.15), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 5;
}

/* ========================================================
   CARD MEDIA & BADGE
   ======================================================== */
.card-image-wrap {
    position: relative;
    width: 100%;
    height: 190px;
    border-radius: 14px;
    overflow: hidden;
    transform: translateZ(20px); /* Lift element in 3D space */
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover .card-img {
    transform: scale(1.08);
}

.badge-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(17, 24, 39, 0.75);
    backdrop-filter: blur(8px);
    color: #818CF8;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    border: 1px solid rgba(99, 102, 241, 0.4);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ========================================================
   CARD TYPOGRAPHY & BODY
   ======================================================== */
.card-content {
    margin-top: 1.25rem;
    transform: translateZ(30px); /* Deeper 3D depth */
}

.card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: #9CA3AF;
    margin-bottom: 0.5rem;
}

.card-title {
    color: #F9FAFB;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

.glass-card:hover .card-title {
    color: #818CF8;
}

.card-description {
    color: #9CA3AF;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================================
   FOOTER & INTERACTIVE BUTTON
   ======================================================== */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateZ(25px);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.author-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366F1, #A855F7);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.author-name {
    color: #F9FAFB;
    font-size: 0.8rem;
    font-weight: 600;
}

.post-date {
    color: #6B7280;
    font-size: 0.7rem;
}

.btn-copy {
    background: linear-gradient(135deg, #6366F1, #4F46E5);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-copy:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.5);
}

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

.btn-copy.copied {
    background: #10B981;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

document.addEventListener('DOMContentLoaded', () => {
    const card = document.getElementById('tiltCard');
    const glare = card.querySelector('.card-glare');
    const copyBtn = document.getElementById('copyBtn');

    /* ========================================================
       1. 3D MOUSE TILT & GLARE EFFECT
       ======================================================== */
    card.addEventListener('mousemove', (e) => {
        const rect = card.getBoundingClientRect();
        
        // Calculate mouse position relative to card center (-1 to 1)
        const x = e.clientX - rect.left;
        const y = e.clientY - rect.top;
        
        const centerX = rect.width / 2;
        const centerY = rect.height / 2;
        
        const rotateX = ((y - centerY) / centerY) * -12; // Max 12deg tilt
        const rotateY = ((x - centerX) / centerX) * 12;

        // Apply 3D rotation transform
        card.style.transform = `rotateX(${rotateX}deg) rotateY(${rotateY}deg)`;

        // Adjust dynamic glare position & intensity
        glare.style.opacity = '1';
        glare.style.background = `radial-gradient(circle at ${x}px ${y}px, rgba(255, 255, 255, 0.18), transparent 60%)`;
    });

    // Reset card tilt when mouse leaves
    card.addEventListener('mouseleave', () => {
        card.style.transform = 'rotateX(0deg) rotateY(0deg)';
        glare.style.opacity = '0';
    });

    /* ========================================================
       2. INTERACTIVE COPY TO CLIPBOARD BUTTON
       ======================================================== */
    copyBtn.addEventListener('click', (e) => {
        e.stopPropagation(); // Prevent card triggers
        
        const textToCopy = copyBtn.getAttribute('data-snippet');
        
        navigator.clipboard.writeText(textToCopy).then(() => {
            const btnText = copyBtn.querySelector('.btn-text');
            const btnIcon = copyBtn.querySelector('.btn-icon');
            
            // Visual feedback update
            btnText.textContent = 'Copied!';
            btnIcon.textContent = '✅';
            copyBtn.classList.add('copied');

            // Reset back after 2 seconds
            setTimeout(() => {
                btnText.textContent = 'Copy Code';
                btnIcon.textContent = '📋';
                copyBtn.classList.remove('copied');
            }, 2000);
        }).catch(err => {
            console.error('Failed to copy text: ', err);
        });
    });
});