.qty-box {
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.qty-btn {
    width: 32px;
    height: 32px;
    border: 1px solid #ddd;
    background: #f5f5f5;
    cursor: pointer;
    border-radius: 4px;
    font-size: 18px;
}
.qty-btn:hover {
    background: #e0e0e0;
}
.qty-input {
    width: 60px;
    height: 32px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.spec-group {
    margin: 15px 0;
}
.spec-label {
    font-weight: 500;
    margin-right: 10px;
    display: inline-block;
    min-width: 60px;
}
.spec-options {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
}
.spec-option {
    padding: 6px 20px;
    border: 1px solid #ddd;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    background: #fff;
    font-size: 14px;
}
.spec-option:hover {
    border-color: #999;
}
.spec-option.active {
    background-color: #e4393c;
    color: #fff;
    border-color: #e4393c;
}
.selected-spec-info {
    margin: 12px 0;
    padding: 8px 12px;
    background-color: #f5f5f5;
    border-radius: 4px;
    font-size: 14px;
    color: #666;
}
.selected-spec-info span {
    color: #e4393c;
    font-weight: 500;
}
.btn-mag {
    background: #8b5a2b;
    color: #fff;
    border: none;
    padding: 8px 24px;
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-mag:hover {
    background: #6b4420;
    transform: translateY(-2px);
}
.price-old {
    text-decoration: line-through;
    color: #999;
    font-size: 14px;
    margin-right: 10px;
}
.price-new {
    color: #e4393c;
    font-size: 20px;
    font-weight: bold;
}
.stock-info {
    color: #28a745;
    font-size: 14px;
}
.cart-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}
.cart-modal.hidden {
    display: none;
}
.cart-modal-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}
.cart-modal-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    border-radius: 8px;
    width: 400px;
    max-width: 90%;
    padding: 20px;
}
.cart-modal-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}
.cart-modal-footer {
    margin-top: 20px;
    text-align: right;
}
.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
}
.btn-primary {
    background-color: #e4393c;
    color: #fff;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}
.purchase-section {
    background: #fafafa;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}
.section-title {
    border-left: 4px solid #8b5a2b;
    padding-left: 12px;
    color: #333;
}