* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.header {
    text-align: center;
    padding: 0.8rem 1rem;
    color: white;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
    font-size: 0.85rem;
    opacity: 0.9;
}

.scroll-container {
    position: relative;
    height: calc(100vh - 80px);
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0 auto;
    max-width: 1200px;
    background: white;
    scroll-behavior: smooth;
}

.image-track {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
}

.image-item {
    flex-shrink: 0;
    width: 100%;
    position: relative;
    line-height: 0;
    transition: all 0.3s ease;
}

.image-item:hover {
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.image-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s ease;
}



.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    flex-wrap: wrap;
}

.btn {
    background: white;
    color: #667eea;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: #f0f0f0;
}

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

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    animation: zoomIn 0.3s ease;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: white;
    color: #667eea;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.modal-close:hover {
    transform: rotate(90deg) scale(1.1);
    background: #667eea;
    color: white;
}

.modal-info {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    color: white;
    text-align: center;
}

.modal-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-info p {
    font-size: 1rem;
    opacity: 0.8;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .image-item {
        height: auto;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}