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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: Arial, sans-serif;
}

.gallery-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('img/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.image-container {
    position: relative;
    max-width: 90%;
    max-height: 85%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

#gallery-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    cursor: pointer;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s ease;
}

#gallery-image:hover {
    opacity: 0.95;
}

.navigation {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.nav-btn {
    pointer-events: all;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: white;
    transform: scale(1.1);
}

.nav-btn:active {
    transform: scale(0.95);
}

.counter {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 1rem;
    white-space: nowrap;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 15px;
    text-align: center;
    z-index: 100;
    font-size: 0.9rem;
}

.footer a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #ccc;
    text-decoration: underline;
}

.separator {
    margin: 0 5px;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .navigation {
        padding: 0 10px;
    }
    
    .counter {
        font-size: 0.9rem;
        padding: 6px 15px;
    }
    
    .footer {
        font-size: 0.8rem;
        padding: 10px;
    }
}

/* Loading state */
#gallery-image.loading {
    opacity: 0.5;
}