.quick-add-btn {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 10px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.product-img:hover .quick-add-btn {
    opacity: 1;
}

.quick-add-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.quick-add-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    max-width: 400px;
    width: 90%;
}

.quick-add-options {
    margin: 15px 0;
}

.quick-add-sizes, .quick-add-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.size-btn, .color-btn {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.size-btn.selected, .color-btn.selected {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.size-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    text-decoration: line-through;
}

.quick-add-footer {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

.quick-add-footer button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.quick-add-footer .cancel {
    background-color: #ddd;
}

.quick-add-footer .add-to-cart {
    background-color: var(--primary-color);
    color: white;
}

.color-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #ddd;
    transition: all 0.3s ease;
    position: relative;
    padding: 0;
}

.color-btn.selected {
    border: 2px solid var(--primary-color);
    transform: scale(1.1);
}

.color-btn:hover {
    transform: scale(1.1);
}

.color-btn .color-tooltip {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    display: none;
    z-index: 1000;
}

.color-btn:hover .color-tooltip {
    display: block;
}

.color-btn[data-color="white"] {
    background: #fff;
    border: 2px solid #ccc;
}

.color-btn[data-color="black"] {
    background: #000;
}