.merch-header {
    text-align: center;
    margin-bottom: 40px;
}


.checkout-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.image-viewer {
    flex: 1;
    min-width: 300px;
    background: #1a1a1a;
    
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    transition: opacity 0.3s ease;

    
    background-color: transparent;
    
    display: block;
    
}


.image-viewer img:not([src]),
.image-viewer img[src=""] {
    visibility: hidden;
}

.checkout-box {
    flex: 1;
    min-width: 300px;
}


.color-options {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    align-items: center;
}

.color-dot {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #444;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.color-dot:hover {
    transform: scale(1.1);
}

.color-dot.active {
    transform: scale(1.2);
    
}

#color-name {
    display: block;
    margin-top: 8px;
    color: #888;
    font-size: 0.9rem;
}


.purchase-input {
    width: 100%;
    background: #222;
    color: white;
    border: 1px solid #444;
    padding: 10px;
    margin-top: 5px;
    border-radius: 5px;
}

.full-width-btn {
    width: 100%;
}


.centered-back {
    text-align: center;
    width: 100%;
    margin-top: 20px;
}

.nav-btn {
    text-decoration: none;
    display: inline-block;
}