let currentSlide = 0;
const slides = document.querySelectorAll('.slide');
const totalSlides = slides.length;
const counter = document.getElementById('slide-counter');
const prevBtn = document.getElementById('prev-btn');
const nextBtn = document.getElementById('next-btn');

function updateSlides() {
    slides.forEach((slide, index) => {
        // Reset classes
        slide.classList.remove('active', 'left', 'right');
        
        if (index === currentSlide) {
            slide.classList.add('active');
        } else if (index < currentSlide) {
            slide.classList.add('left');
        } else {
            slide.classList.add('right');
        }
    });

    counter.textContent = `${currentSlide + 1} / ${totalSlides}`;
    prevBtn.disabled = currentSlide === 0;
    nextBtn.disabled = currentSlide === totalSlides - 1;
}

function nextSlide() {
    if (currentSlide < totalSlides - 1) {
        currentSlide++;
        updateSlides();
    }
}

function prevSlide() {
    if (currentSlide > 0) {
        currentSlide--;
        updateSlides();
    }
}

// Keyboard Navigation
document.addEventListener('keydown', (e) => {
    if (e.key === 'ArrowRight' || e.key === 'Space') {
        nextSlide();
    } else if (e.key === 'ArrowLeft') {
        prevSlide();
    }
});

// Initialize
updateSlides();